215162582913 has 6 divisors (see below), whose sum is σ = 310790397554. Its totient is φ = 143441721936.

The previous prime is 215162582837. The next prime is 215162582917. The reversal of 215162582913 is 319285261512.

215162582913 is a `hidden beast` number, since 2 + 1 + 5 + 1 + 62 + 582 + 9 + 1 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213045018624 + 2117564289 = 461568^2 + 46017^2 .

It is not a de Polignac number, because 215162582913 - 2¹³ = 215162574721 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (215162582917) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11953476820 + ... + 11953476837.

Almost surely, 2^215162582913 is an apocalyptic number.

It is an amenable number.

215162582913 is a deficient number, since it is larger than the sum of its proper divisors (95627814641).

215162582913 is a wasteful number, since it uses less digits than its factorization.

215162582913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23906953663 (or 23906953660 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 215162582913 in words is "two hundred fifteen billion, one hundred sixty-two million, five hundred eighty-two thousand, nine hundred thirteen".