11313120999 has 64 divisors (see below), whose sum is σ = 16617807360. Its totient is φ = 6821107200.

The previous prime is 11313120979. The next prime is 11313121003. The reversal of 11313120999 is 99902131311.

It is not a de Polignac number, because 11313120999 - 2²⁰ = 11312072423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313120979) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36850404 + ... + 36850710.

It is an arithmetic number, because the mean of its divisors is an integer number (259653240).

Almost surely, 2^11313120999 is an apocalyptic number.

11313120999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11313120999 is a deficient number, since it is larger than the sum of its proper divisors (5304686361).

11313120999 is a wasteful number, since it uses less digits than its factorization.

11313120999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640.

The product of its (nonzero) digits is 13122, while the sum is 39.

The spelling of 11313120999 in words is "eleven billion, three hundred thirteen million, one hundred twenty thousand, nine hundred ninety-nine".