157265537725 has 24 divisors (see below), whose sum is σ = 203512599360. Its totient is φ = 120327736320.

The previous prime is 157265537623. The next prime is 157265537797. The reversal of 157265537725 is 527735562751.

It is a happy number.

It is not a de Polignac number, because 157265537725 - 2²¹ = 157263440573 is a prime.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8861661 + ... + 8879389.

It is an arithmetic number, because the mean of its divisors is an integer number (8479691640).

Almost surely, 2^157265537725 is an apocalyptic number.

It is an amenable number.

157265537725 is a deficient number, since it is larger than the sum of its proper divisors (46247061635).

157265537725 is a wasteful number, since it uses less digits than its factorization.

157265537725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33189 (or 33184 counting only the distinct ones).

The product of its digits is 15435000, while the sum is 55.

The spelling of 157265537725 in words is "one hundred fifty-seven billion, two hundred sixty-five million, five hundred thirty-seven thousand, seven hundred twenty-five".