1141557622969 has 3 divisors (see below), whose sum is σ = 1141558691407. Its totient is φ = 1141556554532.

The previous prime is 1141557622949. The next prime is 1141557622979. The reversal of 1141557622969 is 9692267551411.

The square root of 1141557622969 is 1068437.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1118274525225 + 23283097744 = 1057485^2 + 152588^2 .

It is not a de Polignac number, because 1141557622969 - 2²⁵ = 1141524068537 is a prime.

It is a super-2 number, since 2×1141557622969² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1141557622949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 534219 + ... + 1602655.

Almost surely, 2^{1141557622969} is an apocalyptic number.

1141557622969 is the 1068437-th square number.

1141557622969 is the 534219-th centered octagonal number.

It is an amenable number.

1141557622969 is a deficient number, since it is larger than the sum of its proper divisors (1068438).

1141557622969 is an frugal number, since it uses more digits than its factorization.

1141557622969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136874 (or 1068437 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 58.

The spelling of 1141557622969 in words is "one trillion, one hundred forty-one billion, five hundred fifty-seven million, six hundred twenty-two thousand, nine hundred sixty-nine".