11553523122 has 16 divisors (see below), whose sum is σ = 23130855072. Its totient is φ = 3847206240.

The previous prime is 11553523109. The next prime is 11553523169. The reversal of 11553523122 is 22132535511.

It is a super-4 number, since 4×11553523122⁴ (a number of 41 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11553523122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985723 + ... + 997374.

It is an arithmetic number, because the mean of its divisors is an integer number (1445678442).

Almost surely, 2^11553523122 is an apocalyptic number.

11553523122 is an abundant number, since it is smaller than the sum of its proper divisors (11577331950).

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

11553523122 is a wasteful number, since it uses less digits than its factorization.

11553523122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984073.

The product of its digits is 9000, while the sum is 30.

The spelling of 11553523122 in words is "eleven billion, five hundred fifty-three million, five hundred twenty-three thousand, one hundred twenty-two".