131472787225 has 12 divisors (see below), whose sum is σ = 175566737836. Its totient is φ = 97087596480.

The previous prime is 131472787213. The next prime is 131472787247. The reversal of 131472787225 is 522787274131.

It can be written as a sum of positive squares in 6 ways, for example, as 12473315856 + 118999471369 = 111684^2 + 344963^2 .

It is not a de Polignac number, because 131472787225 - 2²³ = 131464398617 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 202265502 + ... + 202266151.

Almost surely, 2^131472787225 is an apocalyptic number.

It is an amenable number.

131472787225 is a deficient number, since it is larger than the sum of its proper divisors (44093950611).

131472787225 is a wasteful number, since it uses less digits than its factorization.

131472787225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404531676 (or 404531671 counting only the distinct ones).

The product of its digits is 1317120, while the sum is 49.

The spelling of 131472787225 in words is "one hundred thirty-one billion, four hundred seventy-two million, seven hundred eighty-seven thousand, two hundred twenty-five".