25157025799684 has 27 divisors (see below), whose sum is σ = 44292944769493. Its totient is φ = 12502359860768.

The previous prime is 25157025799651. The next prime is 25157025799753. The reversal of 25157025799684 is 48699752075152.

The square root of 25157025799684 is 5015678.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8531247888900 + 16625777910784 = 2920830^2 + 4077472^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1675228944 + ... + 1675243960.

Almost surely, 2^{25157025799684} is an apocalyptic number.

25157025799684 is the 5015678-th square number.

It is an amenable number.

25157025799684 is a deficient number, since it is larger than the sum of its proper divisors (19135918969809).

25157025799684 is an frugal number, since it uses more digits than its factorization.

25157025799684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30372 (or 15186 counting only the distinct ones).

The product of its (nonzero) digits is 381024000, while the sum is 70.

The spelling of 25157025799684 in words is "twenty-five trillion, one hundred fifty-seven billion, twenty-five million, seven hundred ninety-nine thousand, six hundred eighty-four".