131112789025 has 27 divisors (see below), whose sum is σ = 164072830233. Its totient is φ = 103935748800.

The previous prime is 131112789001. The next prime is 131112789037. The reversal of 131112789025 is 520987211131.

The square root of 131112789025 is 362095.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 16460120209 + 114652668816 = 128297^2 + 338604^2 .

It is not a de Polignac number, because 131112789025 - 2⁵ = 131112788993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 251655765 + ... + 251656285.

Almost surely, 2^131112789025 is an apocalyptic number.

131112789025 is the 362095-th square number.

131112789025 is the 181048-th centered octagonal number.

It is an amenable number.

131112789025 is a deficient number, since it is larger than the sum of its proper divisors (32960041208).

131112789025 is an frugal number, since it uses more digits than its factorization.

131112789025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330 (or 665 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 131112789025 in words is "one hundred thirty-one billion, one hundred twelve million, seven hundred eighty-nine thousand, twenty-five".