25135145054 has 16 divisors (see below), whose sum is σ = 37864471680. Its totient is φ = 12513730080.

The previous prime is 25135145033. The next prime is 25135145071. The reversal of 25135145054 is 45054153152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673907 + ... + 710225.

It is an arithmetic number, because the mean of its divisors is an integer number (2366529480).

Almost surely, 2^25135145054 is an apocalyptic number.

25135145054 is a deficient number, since it is larger than the sum of its proper divisors (12729326626).

25135145054 is a wasteful number, since it uses less digits than its factorization.

25135145054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37795.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 25135145054 in words is "twenty-five billion, one hundred thirty-five million, one hundred forty-five thousand, fifty-four".