111575372841 has 81 divisors (see below), whose sum is σ = 173824563549. Its totient is φ = 68959618992.

The previous prime is 111575372833. The next prime is 111575372849. The reversal of 111575372841 is 148273575111.

The square root of 111575372841 is 334029.

It is a perfect power (a square), and thus also a powerful number.

111575372841 is a `hidden beast` number, since 1 + 1 + 1 + 57 + 537 + 28 + 41 = 666.

It is an interprime number because it is at equal distance from previous prime (111575372833) and next prime (111575372849).

It is not a de Polignac number, because 111575372841 - 2³ = 111575372833 is a prime.

It is a super-2 number, since 2×111575372841² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111575372849) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1083255996 + ... + 1083256098.

Almost surely, 2^111575372841 is an apocalyptic number.

111575372841 is the 334029-th square number.

111575372841 is the 167015-th centered octagonal number.

It is an amenable number.

111575372841 is a deficient number, since it is larger than the sum of its proper divisors (62249190708).

111575372841 is an equidigital number, since it uses as much as digits as its factorization.

111575372841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 176 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

It can be divided in two parts, 111575 and 372841, that added together give a square (484416 = 696²).

The spelling of 111575372841 in words is "one hundred eleven billion, five hundred seventy-five million, three hundred seventy-two thousand, eight hundred forty-one".