2152513611 has 12 divisors (see below), whose sum is σ = 3110856840. Its totient is φ = 1434238080.

The previous prime is 2152513589. The next prime is 2152513621. The reversal of 2152513611 is 1163152512.

2152513611 is a `hidden beast` number, since 2 + 1 + 525 + 136 + 1 + 1 = 666.

It is not a de Polignac number, because 2152513611 - 2⁶ = 2152513547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2152513621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46305 + ... + 80306.

It is an arithmetic number, because the mean of its divisors is an integer number (259238070).

Almost surely, 2^2152513611 is an apocalyptic number.

2152513611 is a deficient number, since it is larger than the sum of its proper divisors (958343229).

2152513611 is a wasteful number, since it uses less digits than its factorization.

2152513611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128506 (or 128503 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 2152513611 is about 46395.1895243462. The cubic root of 2152513611 is about 1291.1656653155.

The spelling of 2152513611 in words is "two billion, one hundred fifty-two million, five hundred thirteen thousand, six hundred eleven".