111356445125 has 64 divisors (see below), whose sum is σ = 150587424000. Its totient is φ = 81903052800.

The previous prime is 111356445119. The next prime is 111356445143. The reversal of 111356445125 is 521544653111.

It is not a de Polignac number, because 111356445125 - 2¹⁴ = 111356428741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20433401 + ... + 20438849.

It is an arithmetic number, because the mean of its divisors is an integer number (2352928500).

Almost surely, 2^111356445125 is an apocalyptic number.

It is an amenable number.

111356445125 is a deficient number, since it is larger than the sum of its proper divisors (39230978875).

111356445125 is a wasteful number, since it uses less digits than its factorization.

111356445125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5703 (or 5693 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The spelling of 111356445125 in words is "one hundred eleven billion, three hundred fifty-six million, four hundred forty-five thousand, one hundred twenty-five".