11117515295490 has 32 divisors (see below), whose sum is σ = 28251568281600. Its totient is φ = 2790278348544.

The previous prime is 11117515295477. The next prime is 11117515295617. The reversal of 11117515295490 is 9459251571111.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10899524290 + ... + 10899525309.

It is an arithmetic number, because the mean of its divisors is an integer number (882861508800).

Almost surely, 2^{11117515295490} is an apocalyptic number.

11117515295490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11117515295490 is an abundant number, since it is smaller than the sum of its proper divisors (17134052986110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11117515295490 is a wasteful number, since it uses less digits than its factorization.

11117515295490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21799049626.

The product of its (nonzero) digits is 567000, while the sum is 51.

The spelling of 11117515295490 in words is "eleven trillion, one hundred seventeen billion, five hundred fifteen million, two hundred ninety-five thousand, four hundred ninety".