11312263044 has 72 divisors (see below), whose sum is σ = 29599839360. Its totient is φ = 3638400192.

The previous prime is 11312263021. The next prime is 11312263069. The reversal of 11312263044 is 44036221311.

It is a happy number.

11312263044 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 22 + 630 + 4 + 4 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11312262999 and 11312263017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2485579 + ... + 2490125.

It is an arithmetic number, because the mean of its divisors is an integer number (411108880).

Almost surely, 2^11312263044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11312263044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14799919680).

11312263044 is an abundant number, since it is smaller than the sum of its proper divisors (18287576316).

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

11312263044 is a wasteful number, since it uses less digits than its factorization.

11312263044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6964 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 11312263044 its reverse (44036221311), we get a palindrome (55348484355).

The spelling of 11312263044 in words is "eleven billion, three hundred twelve million, two hundred sixty-three thousand, forty-four".