111331410125 has 32 divisors (see below), whose sum is σ = 149668812384. Its totient is φ = 82192320000.

The previous prime is 111331410107. The next prime is 111331410149. The reversal of 111331410125 is 521014133111.

It can be written as a sum of positive squares in 16 ways, for example, as 99595154569 + 11736255556 = 315587^2 + 108334^2 .

It is not a de Polignac number, because 111331410125 - 2⁶ = 111331410061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111331410125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8828825 + ... + 8841425.

It is an arithmetic number, because the mean of its divisors is an integer number (4677150387).

Almost surely, 2^111331410125 is an apocalyptic number.

It is an amenable number.

111331410125 is a deficient number, since it is larger than the sum of its proper divisors (38337402259).

111331410125 is a wasteful number, since it uses less digits than its factorization.

111331410125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066 (or 18056 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

Adding to 111331410125 its reverse (521014133111), we get a palindrome (632345543236).

The spelling of 111331410125 in words is "one hundred eleven billion, three hundred thirty-one million, four hundred ten thousand, one hundred twenty-five".