25255253078 has 32 divisors (see below), whose sum is σ = 41491850400. Its totient is φ = 11433888000.

The previous prime is 25255253069. The next prime is 25255253099. The reversal of 25255253078 is 87035255252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11370008 + ... + 11372228.

It is an arithmetic number, because the mean of its divisors is an integer number (1296620325).

Almost surely, 2^25255253078 is an apocalyptic number.

25255253078 is a deficient number, since it is larger than the sum of its proper divisors (16236597322).

25255253078 is a wasteful number, since it uses less digits than its factorization.

25255253078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its (nonzero) digits is 840000, while the sum is 44.

The spelling of 25255253078 in words is "twenty-five billion, two hundred fifty-five million, two hundred fifty-three thousand, seventy-eight".