61553140511325 has 48 divisors (see below), whose sum is σ = 103935013733376. Its totient is φ = 32129284715200.

The previous prime is 61553140511279. The next prime is 61553140511333. The reversal of 61553140511325 is 52311504135516.

It is not a de Polignac number, because 61553140511325 - 2²² = 61553136317021 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 251432230 + ... + 251676920.

It is an arithmetic number, because the mean of its divisors is an integer number (2165312786112).

Almost surely, 2^{61553140511325} is an apocalyptic number.

It is an amenable number.

61553140511325 is a deficient number, since it is larger than the sum of its proper divisors (42381873222051).

61553140511325 is a wasteful number, since it uses less digits than its factorization.

61553140511325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316114 (or 316109 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 61553140511325 in words is "sixty-one trillion, five hundred fifty-three billion, one hundred forty million, five hundred eleven thousand, three hundred twenty-five".