11445017285515 has 24 divisors (see below), whose sum is σ = 15097520259360. Its totient is φ = 8322850609920.

The previous prime is 11445017285461. The next prime is 11445017285549. The reversal of 11445017285515 is 51558271054411.

It is not a de Polignac number, because 11445017285515 - 2¹⁷ = 11445017154443 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5442691 + ... + 7246579.

It is an arithmetic number, because the mean of its divisors is an integer number (629063344140).

Almost surely, 2^{11445017285515} is an apocalyptic number.

11445017285515 is a deficient number, since it is larger than the sum of its proper divisors (3652502973845).

11445017285515 is a wasteful number, since it uses less digits than its factorization.

11445017285515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814403 (or 1814392 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 49.

The spelling of 11445017285515 in words is "eleven trillion, four hundred forty-five billion, seventeen million, two hundred eighty-five thousand, five hundred fifteen".