25541051630 has 16 divisors (see below), whose sum is σ = 45979547184. Its totient is φ = 10215164160.

The previous prime is 25541051623. The next prime is 25541051659. The reversal of 25541051630 is 3615014552.

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, 69356 + ... + 236415.

It is an arithmetic number, because the mean of its divisors is an integer number (2873721699).

Almost surely, 2^25541051630 is an apocalyptic number.

25541051630 is a deficient number, since it is larger than the sum of its proper divisors (20438495554).

25541051630 is a wasteful number, since it uses less digits than its factorization.

25541051630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314131.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 25541051630 in words is "twenty-five billion, five hundred forty-one million, fifty-one thousand, six hundred thirty".