25512201051 has 8 divisors (see below), whose sum is σ = 34019696640. Its totient is φ = 17006419752.

The previous prime is 25512201041. The next prime is 25512201067. The reversal of 25512201051 is 15010221552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25512201051 - 2¹⁰ = 25512200027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25512201041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393435 + ... + 453668.

It is an arithmetic number, because the mean of its divisors is an integer number (4252462080).

Almost surely, 2^25512201051 is an apocalyptic number.

25512201051 is a deficient number, since it is larger than the sum of its proper divisors (8507495589).

25512201051 is a wasteful number, since it uses less digits than its factorization.

25512201051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857145.

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 25512201051 in words is "twenty-five billion, five hundred twelve million, two hundred one thousand, fifty-one".