11523377157 has 16 divisors (see below), whose sum is σ = 16034984640. Its totient is φ = 7351699712.

The previous prime is 11523377149. The next prime is 11523377171. The reversal of 11523377157 is 75177332511.

It is a cyclic number.

It is not a de Polignac number, because 11523377157 - 2³ = 11523377149 is a prime.

It is a super-2 number, since 2×11523377157² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523377137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 576243 + ... + 595904.

It is an arithmetic number, because the mean of its divisors is an integer number (1002186540).

Almost surely, 2^11523377157 is an apocalyptic number.

It is an amenable number.

11523377157 is a deficient number, since it is larger than the sum of its proper divisors (4511607483).

11523377157 is a wasteful number, since it uses less digits than its factorization.

11523377157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172292.

The product of its digits is 154350, while the sum is 42.

The spelling of 11523377157 in words is "eleven billion, five hundred twenty-three million, three hundred seventy-seven thousand, one hundred fifty-seven".