11312875044 has 135 divisors (see below), whose sum is σ = 31313228331. Its totient is φ = 3560999760.

The previous prime is 11312875039. The next prime is 11312875087. The reversal of 11312875044 is 44057821311.

The square root of 11312875044 is 106362.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×11312875044² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 36375649 + ... + 36375959.

Almost surely, 2^11312875044 is an apocalyptic number.

11312875044 is the 106362-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11312875044

11312875044 is an abundant number, since it is smaller than the sum of its proper divisors (20000353287).

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

11312875044 is an equidigital number, since it uses as much as digits as its factorization.

11312875044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

Multiplying 11312875044 by its sum of digits (36), we get a square (407263501584 = 638172²).

11312875044 divided by its sum of digits (36) gives a square (314246529 = 17727²).

The spelling of 11312875044 in words is "eleven billion, three hundred twelve million, eight hundred seventy-five thousand, forty-four".