2573571521720 has 64 divisors (see below), whose sum is σ = 5900823432000. Its totient is φ = 1009828738048.

The previous prime is 2573571521671. The next prime is 2573571521723. The reversal of 2573571521720 is 271251753752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573571521723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12360236 + ... + 12566724.

It is an arithmetic number, because the mean of its divisors is an integer number (92200366125).

Almost surely, 2^{2573571521720} is an apocalyptic number.

2573571521720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2573571521720 is an abundant number, since it is smaller than the sum of its proper divisors (3327251910280).

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

2573571521720 is a wasteful number, since it uses less digits than its factorization.

2573571521720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212432 (or 212428 counting only the distinct ones).

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 2573571521720 in words is "two trillion, five hundred seventy-three billion, five hundred seventy-one million, five hundred twenty-one thousand, seven hundred twenty".