111437611040 has 72 divisors (see below), whose sum is σ = 306254456172. Its totient is φ = 38207178240.

The previous prime is 111437611001. The next prime is 111437611079. The reversal of 111437611040 is 40116734111.

It is an interprime number because it is at equal distance from previous prime (111437611001) and next prime (111437611079).

It can be written as a sum of positive squares in 2 ways, for example, as 94536571024 + 16901040016 = 307468^2 + 130004^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111437610994 and 111437611012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7099151 + ... + 7114830.

Almost surely, 2^111437611040 is an apocalyptic number.

111437611040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111437611040 is an abundant number, since it is smaller than the sum of its proper divisors (194816845132).

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

111437611040 is a wasteful number, since it uses less digits than its factorization.

111437611040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14214010 (or 14213995 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 111437611040 in words is "one hundred eleven billion, four hundred thirty-seven million, six hundred eleven thousand, forty".