99153256544525 has 24 divisors (see below), whose sum is σ = 122995194098400. Its totient is φ = 79293477650240.

The previous prime is 99153256544521. The next prime is 99153256544527. The reversal of 99153256544525 is 52544565235199.

It is not a de Polignac number, because 99153256544525 - 2² = 99153256544521 is a prime.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99153256544521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 820072526 + ... + 820193424.

It is an arithmetic number, because the mean of its divisors is an integer number (5124799754100).

Almost surely, 2^{99153256544525} is an apocalyptic number.

It is an amenable number.

99153256544525 is a deficient number, since it is larger than the sum of its proper divisors (23841937553875).

99153256544525 is a wasteful number, since it uses less digits than its factorization.

99153256544525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132685 (or 132680 counting only the distinct ones).

The product of its digits is 291600000, while the sum is 65.

The spelling of 99153256544525 in words is "ninety-nine trillion, one hundred fifty-three billion, two hundred fifty-six million, five hundred forty-four thousand, five hundred twenty-five".