2053945115856 has 160 divisors (see below), whose sum is σ = 6029331955200. Its totient is φ = 669287923200.

The previous prime is 2053945115839. The next prime is 2053945115869. The reversal of 2053945115856 is 6585115493502.

2053945115856 is a `hidden beast` number, since 2 + 0 + 5 + 3 + 9 + 4 + 51 + 1 + 585 + 6 = 666.

It is a super-2 number, since 2×2053945115856² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3148990 + ... + 3744866.

It is an arithmetic number, because the mean of its divisors is an integer number (37683324720).

Almost surely, 2^{2053945115856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2053945115856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3014665977600).

2053945115856 is an abundant number, since it is smaller than the sum of its proper divisors (3975386839344).

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

2053945115856 is a wasteful number, since it uses less digits than its factorization.

2053945115856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596074 (or 596062 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 2053945115856 in words is "two trillion, fifty-three billion, nine hundred forty-five million, one hundred fifteen thousand, eight hundred fifty-six".