1149697988053 has 4 divisors (see below), whose sum is σ = 1149740616960. Its totient is φ = 1149655359148.

The previous prime is 1149697988051. The next prime is 1149697988069. The reversal of 1149697988053 is 3508897969411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1149697988053 - 2¹ = 1149697988051 is a prime.

It is a super-2 number, since 2×1149697988053² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149697988051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21273973 + ... + 21327946.

It is an arithmetic number, because the mean of its divisors is an integer number (287435154240).

Almost surely, 2^{1149697988053} is an apocalyptic number.

It is an amenable number.

1149697988053 is a deficient number, since it is larger than the sum of its proper divisors (42628907).

1149697988053 is an equidigital number, since it uses as much as digits as its factorization.

1149697988053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42628906.

The product of its (nonzero) digits is 117573120, while the sum is 70.

The spelling of 1149697988053 in words is "one trillion, one hundred forty-nine billion, six hundred ninety-seven million, nine hundred eighty-eight thousand, fifty-three".