25135278795 has 48 divisors (see below), whose sum is σ = 49061735424. Its totient is φ = 11793672000.

The previous prime is 25135278793. The next prime is 25135278823. The reversal of 25135278795 is 59787253152.

25135278795 is a `hidden beast` number, since 2 + 513 + 52 + 7 + 8 + 79 + 5 = 666.

It is not a de Polignac number, because 25135278795 - 2¹ = 25135278793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25135278793) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 803661 + ... + 834350.

It is an arithmetic number, because the mean of its divisors is an integer number (1022119488).

Almost surely, 2^25135278795 is an apocalyptic number.

25135278795 is a deficient number, since it is larger than the sum of its proper divisors (23926456629).

25135278795 is a wasteful number, since it uses less digits than its factorization.

25135278795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638064 (or 1638061 counting only the distinct ones).

The product of its digits is 5292000, while the sum is 54.

The spelling of 25135278795 in words is "twenty-five billion, one hundred thirty-five million, two hundred seventy-eight thousand, seven hundred ninety-five".