15501313101315 has 32 divisors (see below), whose sum is σ = 24830401559040. Its totient is φ = 8257935297024.

The previous prime is 15501313101257. The next prime is 15501313101347. The reversal of 15501313101315 is 51310131310551.

It is not a de Polignac number, because 15501313101315 - 2¹⁸ = 15501312839171 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 149190012 + ... + 149293878.

It is an arithmetic number, because the mean of its divisors is an integer number (775950048720).

Almost surely, 2^{15501313101315} is an apocalyptic number.

15501313101315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15501313101315 is a deficient number, since it is larger than the sum of its proper divisors (9329088457725).

15501313101315 is a wasteful number, since it uses less digits than its factorization.

15501313101315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115131.

The product of its (nonzero) digits is 3375, while the sum is 30.

Adding to 15501313101315 its reverse (51310131310551), we get a palindrome (66811444411866).

The spelling of 15501313101315 in words is "fifteen trillion, five hundred one billion, three hundred thirteen million, one hundred one thousand, three hundred fifteen".