11557711023 has 8 divisors (see below), whose sum is σ = 15453937968. Its totient is φ = 7683312384.

The previous prime is 11557710977. The next prime is 11557711043. The reversal of 11557711023 is 32011775511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11557711023 - 2⁶ = 11557710959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11557711043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5455840 + ... + 5457957.

It is an arithmetic number, because the mean of its divisors is an integer number (1931742246).

Almost surely, 2^11557711023 is an apocalyptic number.

11557711023 is a deficient number, since it is larger than the sum of its proper divisors (3896226945).

11557711023 is a wasteful number, since it uses less digits than its factorization.

11557711023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10914153.

The product of its (nonzero) digits is 7350, while the sum is 33.

The spelling of 11557711023 in words is "eleven billion, five hundred fifty-seven million, seven hundred eleven thousand, twenty-three".