25163363452 has 48 divisors (see below), whose sum is σ = 47256854400. Its totient is φ = 11701347840.

The previous prime is 25163363443. The next prime is 25163363483. The reversal of 25163363452 is 25436336152.

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, 342238 + ... + 409210.

It is an arithmetic number, because the mean of its divisors is an integer number (984517800).

Almost surely, 2^25163363452 is an apocalyptic number.

It is an amenable number.

25163363452 is a deficient number, since it is larger than the sum of its proper divisors (22093490948).

25163363452 is a wasteful number, since it uses less digits than its factorization.

25163363452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67126 (or 67124 counting only the distinct ones).

The product of its digits is 388800, while the sum is 40.

The spelling of 25163363452 in words is "twenty-five billion, one hundred sixty-three million, three hundred sixty-three thousand, four hundred fifty-two".