11577258738 has 48 divisors (see below), whose sum is σ = 25724514816. Its totient is φ = 3761239680.

The previous prime is 11577258731. The next prime is 11577258739. The reversal of 11577258738 is 83785277511.

11577258738 is a `hidden beast` number, since 1 + 1 + 57 + 7 + 2 + 587 + 3 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (11577258731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175495 + ... + 232277.

It is an arithmetic number, because the mean of its divisors is an integer number (535927392).

Almost surely, 2^11577258738 is an apocalyptic number.

11577258738 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11577258738 is an abundant number, since it is smaller than the sum of its proper divisors (14147256078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11577258738 is a wasteful number, since it uses less digits than its factorization.

11577258738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57079 (or 57076 counting only the distinct ones).

The product of its digits is 3292800, while the sum is 54.

The spelling of 11577258738 in words is "eleven billion, five hundred seventy-seven million, two hundred fifty-eight thousand, seven hundred thirty-eight".