25381086955 has 32 divisors (see below), whose sum is σ = 38126816640. Its totient is φ = 15815546880.

The previous prime is 25381086943. The next prime is 25381086959. The reversal of 25381086955 is 55968018352.

It is not a de Polignac number, because 25381086955 - 2⁵ = 25381086923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25381086959) 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, 718216 + ... + 752725.

It is an arithmetic number, because the mean of its divisors is an integer number (1191463020).

Almost surely, 2^25381086955 is an apocalyptic number.

25381086955 is a deficient number, since it is larger than the sum of its proper divisors (12745729685).

25381086955 is a wasteful number, since it uses less digits than its factorization.

25381086955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470999.

The product of its (nonzero) digits is 2592000, while the sum is 52.

The spelling of 25381086955 in words is "twenty-five billion, three hundred eighty-one million, eighty-six thousand, nine hundred fifty-five".