615151506051 has 16 divisors (see below), whose sum is σ = 912036105120. Its totient is φ = 409785760800.

The previous prime is 615151506043. The next prime is 615151506061. The reversal of 615151506051 is 150605151516.

It is a happy number.

615151506051 is a `hidden beast` number, since 6 + 1 + 51 + 51 + 506 + 0 + 51 = 666.

It is not a de Polignac number, because 615151506051 - 2³ = 615151506043 is a prime.

It is a super-2 number, since 2×615151506051² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 615151505997 and 615151506015.

It is not an unprimeable number, because it can be changed into a prime (615151506061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8720980 + ... + 8791233.

It is an arithmetic number, because the mean of its divisors is an integer number (57002256570).

Almost surely, 2^615151506051 is an apocalyptic number.

615151506051 is a deficient number, since it is larger than the sum of its proper divisors (296884599069).

615151506051 is a wasteful number, since it uses less digits than its factorization.

615151506051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17513523 (or 17513517 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

Adding to 615151506051 its reverse (150605151516), we get a palindrome (765756657567).

The spelling of 615151506051 in words is "six hundred fifteen billion, one hundred fifty-one million, five hundred six thousand, fifty-one".