25139091327 has 32 divisors (see below), whose sum is σ = 38840696832. Its totient is φ = 14166490464.

The previous prime is 25139091323. The next prime is 25139091403. The reversal of 25139091327 is 72319093152.

It is not a de Polignac number, because 25139091327 - 2² = 25139091323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25139091323) 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, 417168 + ... + 473610.

It is an arithmetic number, because the mean of its divisors is an integer number (1213771776).

Almost surely, 2^25139091327 is an apocalyptic number.

25139091327 is a deficient number, since it is larger than the sum of its proper divisors (13701605505).

25139091327 is a wasteful number, since it uses less digits than its factorization.

25139091327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56747.

The product of its (nonzero) digits is 102060, while the sum is 42.

The spelling of 25139091327 in words is "twenty-five billion, one hundred thirty-nine million, ninety-one thousand, three hundred twenty-seven".