111520035401 has 2 divisors, whose sum is σ = 111520035402. Its totient is φ = 111520035400.

The previous prime is 111520035391. The next prime is 111520035413. The reversal of 111520035401 is 104530025111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62712179776 + 48807855625 = 250424^2 + 220925^2 .

It is a cyclic number.

It is not a de Polignac number, because 111520035401 - 2²² = 111515841097 is a prime.

It is not a weakly prime, because it can be changed into another prime (111520035461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55760017700 + 55760017701.

It is an arithmetic number, because the mean of its divisors is an integer number (55760017701).

Almost surely, 2^111520035401 is an apocalyptic number.

It is an amenable number.

111520035401 is a deficient number, since it is larger than the sum of its proper divisors (1).

111520035401 is an equidigital number, since it uses as much as digits as its factorization.

111520035401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The spelling of 111520035401 in words is "one hundred eleven billion, five hundred twenty million, thirty-five thousand, four hundred one".