2552661512 has 16 divisors (see below), whose sum is σ = 4804037100. Its totient is φ = 1271584960.

The previous prime is 2552661511. The next prime is 2552661521. The reversal of 2552661512 is 2151662552.

It can be written as a sum of positive squares in 2 ways, for example, as 2388667876 + 163993636 = 48874^2 + 12806^2 .

It is a super-2 number, since 2×2552661512² = 13032161589692252288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2552661511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590939 + ... + 595242.

Almost surely, 2^2552661512 is an apocalyptic number.

It is an amenable number.

2552661512 is a deficient number, since it is larger than the sum of its proper divisors (2251375588).

2552661512 is a wasteful number, since it uses less digits than its factorization.

2552661512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186456 (or 1186452 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 2552661512 is about 50523.8707147424. The cubic root of 2552661512 is about 1366.6723565366.

The spelling of 2552661512 in words is "two billion, five hundred fifty-two million, six hundred sixty-one thousand, five hundred twelve".