11472515873 has 12 divisors (see below), whose sum is σ = 14372163540. Its totient is φ = 9077154912.

The previous prime is 11472515833. The next prime is 11472515903. The reversal of 11472515873 is 37851527411.

It can be written as a sum of positive squares in 2 ways, for example, as 2037890449 + 9434625424 = 45143^2 + 97132^2 .

It is not a de Polignac number, because 11472515873 - 2⁶ = 11472515809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11472515833) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9004478 + ... + 9005751.

It is an arithmetic number, because the mean of its divisors is an integer number (1197680295).

Almost surely, 2^11472515873 is an apocalyptic number.

11472515873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11472515873 is a deficient number, since it is larger than the sum of its proper divisors (2899647667).

11472515873 is a wasteful number, since it uses less digits than its factorization.

11472515873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18010256 (or 18010249 counting only the distinct ones).

The product of its digits is 235200, while the sum is 44.

The spelling of 11472515873 in words is "eleven billion, four hundred seventy-two million, five hundred fifteen thousand, eight hundred seventy-three".