2021251525560 has 96 divisors (see below), whose sum is σ = 6914807874000. Its totient is φ = 510631962624.

The previous prime is 2021251525481. The next prime is 2021251525583. The reversal of 2021251525560 is 655251521202.

2021251525560 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 2 + 51 + 52 + 556 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147745465 + ... + 147759144.

Almost surely, 2^{2021251525560} is an apocalyptic number.

2021251525560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021251525560 is an abundant number, since it is smaller than the sum of its proper divisors (4893556348440).

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

2021251525560 is a wasteful number, since it uses less digits than its factorization.

2021251525560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295504645 (or 295504638 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The spelling of 2021251525560 in words is "two trillion, twenty-one billion, two hundred fifty-one million, five hundred twenty-five thousand, five hundred sixty".