5151115561015 has 16 divisors (see below), whose sum is σ = 6194468367360. Its totient is φ = 4112140517280.

The previous prime is 5151115561001. The next prime is 5151115561027. The reversal of 5151115561015 is 5101655111515.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-5151115561015 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38549970 + ... + 38683360.

It is an arithmetic number, because the mean of its divisors is an integer number (387154272960).

Almost surely, 2^{5151115561015} is an apocalyptic number.

5151115561015 is a deficient number, since it is larger than the sum of its proper divisors (1043352806345).

5151115561015 is a wasteful number, since it uses less digits than its factorization.

5151115561015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149742.

The product of its (nonzero) digits is 18750, while the sum is 37.

The spelling of 5151115561015 in words is "five trillion, one hundred fifty-one billion, one hundred fifteen million, five hundred sixty-one thousand, fifteen".