25413120544155 has 32 divisors (see below), whose sum is σ = 40689513283584. Its totient is φ = 13544158957056.

The previous prime is 25413120544151. The next prime is 25413120544157. The reversal of 25413120544155 is 55144502131452.

It is not a de Polignac number, because 25413120544155 - 2² = 25413120544151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25413120544151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331064259 + ... + 331141011.

It is an arithmetic number, because the mean of its divisors is an integer number (1271547290112).

Almost surely, 2^{25413120544155} is an apocalyptic number.

25413120544155 is a deficient number, since it is larger than the sum of its proper divisors (15276392739429).

25413120544155 is a wasteful number, since it uses less digits than its factorization.

25413120544155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91955.

The product of its (nonzero) digits is 480000, while the sum is 42.

The spelling of 25413120544155 in words is "twenty-five trillion, four hundred thirteen billion, one hundred twenty million, five hundred forty-four thousand, one hundred fifty-five".