1149741869957 has 4 divisors (see below), whose sum is σ = 1151132126976. Its totient is φ = 1148351612940.

The previous prime is 1149741869929. The next prime is 1149741870023. The reversal of 1149741869957 is 7599681479411.

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 1149741869957 - 2⁶ = 1149741869893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149741869257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 695127269 + ... + 695128922.

It is an arithmetic number, because the mean of its divisors is an integer number (287783031744).

Almost surely, 2^{1149741869957} is an apocalyptic number.

It is an amenable number.

1149741869957 is a deficient number, since it is larger than the sum of its proper divisors (1390257019).

1149741869957 is an equidigital number, since it uses as much as digits as its factorization.

1149741869957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390257018.

The product of its digits is 137168640, while the sum is 71.

The spelling of 1149741869957 in words is "one trillion, one hundred forty-nine billion, seven hundred forty-one million, eight hundred sixty-nine thousand, nine hundred fifty-seven".