25113025155 has 16 divisors (see below), whose sum is σ = 40268774304. Its totient is φ = 13364302080.

The previous prime is 25113025129. The next prime is 25113025159. The reversal of 25113025155 is 55152031152.

It is not a de Polignac number, because 25113025155 - 2⁵ = 25113025123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25113025159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1824876 + ... + 1838585.

It is an arithmetic number, because the mean of its divisors is an integer number (2516798394).

Almost surely, 2^25113025155 is an apocalyptic number.

25113025155 is a deficient number, since it is larger than the sum of its proper divisors (15155749149).

25113025155 is a wasteful number, since it uses less digits than its factorization.

25113025155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663926.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 25113025155 in words is "twenty-five billion, one hundred thirteen million, twenty-five thousand, one hundred fifty-five".