25516342252 has 24 divisors (see below), whose sum is σ = 45309588912. Its totient is φ = 12571944000.

The previous prime is 25516342237. The next prime is 25516342331. The reversal of 25516342252 is 25224361552.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 64423 + ... + 234910.

It is an arithmetic number, because the mean of its divisors is an integer number (1887899538).

Almost surely, 2^25516342252 is an apocalyptic number.

It is an amenable number.

25516342252 is a deficient number, since it is larger than the sum of its proper divisors (19793246660).

25516342252 is a wasteful number, since it uses less digits than its factorization.

25516342252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299649 (or 299647 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The spelling of 25516342252 in words is "twenty-five billion, five hundred sixteen million, three hundred forty-two thousand, two hundred fifty-two".