111657115071628 has 24 divisors (see below), whose sum is σ = 225362984554400. Its totient is φ = 47414030514048.

The previous prime is 111657115071587. The next prime is 111657115071641. The reversal of 111657115071628 is 826170511756111.

It is a super-2 number, since 2×111657115071628² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18292446993 + ... + 18292453096.

Almost surely, 2^{111657115071628} is an apocalyptic number.

It is an amenable number.

111657115071628 is an abundant number, since it is smaller than the sum of its proper divisors (113705869482772).

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

111657115071628 is a wasteful number, since it uses less digits than its factorization.

111657115071628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36584900209 (or 36584900207 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 52.

The spelling of 111657115071628 in words is "one hundred eleven trillion, six hundred fifty-seven billion, one hundred fifteen million, seventy-one thousand, six hundred twenty-eight".