25561414352 has 20 divisors (see below), whose sum is σ = 49686569856. Its totient is φ = 12739073760.

The previous prime is 25561414339. The next prime is 25561414393. The reversal of 25561414352 is 25341416552.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2597024 + ... + 2606847.

Almost surely, 2^25561414352 is an apocalyptic number.

It is an amenable number.

25561414352 is a deficient number, since it is larger than the sum of its proper divisors (24125155504).

25561414352 is a wasteful number, since it uses less digits than its factorization.

25561414352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204186 (or 5204180 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The spelling of 25561414352 in words is "twenty-five billion, five hundred sixty-one million, four hundred fourteen thousand, three hundred fifty-two".