25113027878 has 16 divisors (see below), whose sum is σ = 40447167264. Its totient is φ = 11651445120.

The previous prime is 25113027803. The next prime is 25113027887. The reversal of 25113027878 is 87872031152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5199125 + ... + 5203952.

It is an arithmetic number, because the mean of its divisors is an integer number (2527947954).

Almost surely, 2^25113027878 is an apocalyptic number.

25113027878 is a deficient number, since it is larger than the sum of its proper divisors (15334139386).

25113027878 is a wasteful number, since it uses less digits than its factorization.

25113027878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10403167.

The product of its (nonzero) digits is 188160, while the sum is 44.

The spelling of 25113027878 in words is "twenty-five billion, one hundred thirteen million, twenty-seven thousand, eight hundred seventy-eight".