25563350015020 has 24 divisors (see below), whose sum is σ = 53693748280368. Its totient is φ = 10223299387200.

The previous prime is 25563350015017. The next prime is 25563350015039. The reversal of 25563350015020 is 2051005336552.

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, 127435951 + ... + 127636390.

It is an arithmetic number, because the mean of its divisors is an integer number (2237239511682).

Almost surely, 2^{25563350015020} is an apocalyptic number.

25563350015020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25563350015020 is an abundant number, since it is smaller than the sum of its proper divisors (28130398265348).

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

25563350015020 is a wasteful number, since it uses less digits than its factorization.

25563350015020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255077361 (or 255077359 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 37.

The spelling of 25563350015020 in words is "twenty-five trillion, five hundred sixty-three billion, three hundred fifty million, fifteen thousand, twenty".