2053705518520 has 16 divisors (see below), whose sum is σ = 4620837416760. Its totient is φ = 821482207392.

The previous prime is 2053705518493. The next prime is 2053705518551. The reversal of 2053705518520 is 258155073502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25671318942 + ... + 25671319021.

Almost surely, 2^{2053705518520} is an apocalyptic number.

2053705518520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2053705518520 is an abundant number, since it is smaller than the sum of its proper divisors (2567131898240).

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

2053705518520 is a wasteful number, since it uses less digits than its factorization.

2053705518520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51342637974 (or 51342637970 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 2053705518520 in words is "two trillion, fifty-three billion, seven hundred five million, five hundred eighteen thousand, five hundred twenty".