25151250264 has 32 divisors (see below), whose sum is σ = 71860715520. Its totient is φ = 7186071456.

The previous prime is 25151250233. The next prime is 25151250269. The reversal of 25151250264 is 46205215152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25151250269) 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, 74854744 + ... + 74855079.

It is an arithmetic number, because the mean of its divisors is an integer number (2245647360).

Almost surely, 2^25151250264 is an apocalyptic number.

25151250264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25151250264 is an abundant number, since it is smaller than the sum of its proper divisors (46709465256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25151250264 is a wasteful number, since it uses less digits than its factorization.

25151250264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149709839 (or 149709835 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 25151250264 in words is "twenty-five billion, one hundred fifty-one million, two hundred fifty thousand, two hundred sixty-four".