25064553264 has 40 divisors (see below), whose sum is σ = 64764210480. Its totient is φ = 8353029888.

The previous prime is 25064553233. The next prime is 25064553277. The reversal of 25064553264 is 46235546052.

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, 175354 + ... + 284390.

It is an arithmetic number, because the mean of its divisors is an integer number (1619105262).

Almost surely, 2^25064553264 is an apocalyptic number.

25064553264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25064553264 is an abundant number, since it is smaller than the sum of its proper divisors (39699657216).

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

25064553264 is a wasteful number, since it uses less digits than its factorization.

25064553264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113837 (or 113831 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 25064553264 in words is "twenty-five billion, sixty-four million, five hundred fifty-three thousand, two hundred sixty-four".