2515171056 has 40 divisors (see below), whose sum is σ = 6839502720. Its totient is φ = 794264256.

The previous prime is 2515171051. The next prime is 2515171069. The reversal of 2515171056 is 6501715152.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2515171051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378020 + ... + 1379843.

It is an arithmetic number, because the mean of its divisors is an integer number (170987568).

Almost surely, 2^2515171056 is an apocalyptic number.

It is an amenable number.

2515171056 is an abundant number, since it is smaller than the sum of its proper divisors (4324331664).

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

2515171056 is a wasteful number, since it uses less digits than its factorization.

2515171056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757893 (or 2757887 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The square root of 2515171056 is about 50151.4810947792. The cubic root of 2515171056 is about 1359.9486456964.

The spelling of 2515171056 in words is "two billion, five hundred fifteen million, one hundred seventy-one thousand, fifty-six".