25260235155 has 24 divisors (see below), whose sum is σ = 45406054512. Its totient is φ = 13472124768.

The previous prime is 25260235153. The next prime is 25260235261. The reversal of 25260235155 is 55153206252.

25260235155 is a `hidden beast` number, since 2 + 5 + 2 + 602 + 35 + 15 + 5 = 666.

It is not a de Polignac number, because 25260235155 - 2¹ = 25260235153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25260235151) 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, 10393944 + ... + 10396373.

It is an arithmetic number, because the mean of its divisors is an integer number (1891918938).

Almost surely, 2^25260235155 is an apocalyptic number.

25260235155 is a deficient number, since it is larger than the sum of its proper divisors (20145819357).

25260235155 is an equidigital number, since it uses as much as digits as its factorization.

25260235155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20790337 (or 20790325 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 25260235155 in words is "twenty-five billion, two hundred sixty million, two hundred thirty-five thousand, one hundred fifty-five".