25953015378 has 32 divisors (see below), whose sum is σ = 52648853760. Its totient is φ = 8527559040.

The previous prime is 25953015367. The next prime is 25953015383. The reversal of 25953015378 is 87351035952.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248088 + ... + 336828.

It is an arithmetic number, because the mean of its divisors is an integer number (1645276680).

Almost surely, 2^25953015378 is an apocalyptic number.

25953015378 is an abundant number, since it is smaller than the sum of its proper divisors (26695838382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25953015378 is a wasteful number, since it uses less digits than its factorization.

25953015378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89442.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 25953015378 in words is "twenty-five billion, nine hundred fifty-three million, fifteen thousand, three hundred seventy-eight".