111146524645 has 16 divisors (see below), whose sum is σ = 147138817392. Its totient is φ = 80075543040.

The previous prime is 111146524613. The next prime is 111146524661. The reversal of 111146524645 is 546425641111.

It can be written as a sum of positive squares in 8 ways, for example, as 19478668356 + 91667856289 = 139566^2 + 302767^2 .

It is not a de Polignac number, because 111146524645 - 2⁵ = 111146524613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111146524598 and 111146524607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20850342 + ... + 20855671.

It is an arithmetic number, because the mean of its divisors is an integer number (9196176087).

Almost surely, 2^111146524645 is an apocalyptic number.

It is an amenable number.

111146524645 is a deficient number, since it is larger than the sum of its proper divisors (35992292747).

111146524645 is a wasteful number, since it uses less digits than its factorization.

111146524645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41706072.

The product of its digits is 115200, while the sum is 40.

The spelling of 111146524645 in words is "one hundred eleven billion, one hundred forty-six million, five hundred twenty-four thousand, six hundred forty-five".