11227508123 has 16 divisors (see below), whose sum is σ = 12132562176. Its totient is φ = 10328441760.

The previous prime is 11227508087. The next prime is 11227508197. The reversal of 11227508123 is 32180572211.

It is not a de Polignac number, because 11227508123 - 2¹⁸ = 11227245979 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11227508123.

It is not an unprimeable number, because it can be changed into a prime (11227508423) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8696108 + ... + 8697398.

It is an arithmetic number, because the mean of its divisors is an integer number (758285136).

Almost surely, 2^11227508123 is an apocalyptic number.

11227508123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11227508123 is a deficient number, since it is larger than the sum of its proper divisors (905054053).

11227508123 is a wasteful number, since it uses less digits than its factorization.

11227508123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 11227508123 in words is "eleven billion, two hundred twenty-seven million, five hundred eight thousand, one hundred twenty-three".