11312421044 has 12 divisors (see below), whose sum is σ = 20961250884. Its totient is φ = 5323492224.

The previous prime is 11312420953. The next prime is 11312421067. The reversal of 11312421044 is 44012421311.

It can be written as a sum of positive squares in 2 ways, for example, as 10635796900 + 676624144 = 103130^2 + 26012^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83179499 + ... + 83179634.

It is an arithmetic number, because the mean of its divisors is an integer number (1746770907).

Almost surely, 2^11312421044 is an apocalyptic number.

It is an amenable number.

11312421044 is a deficient number, since it is larger than the sum of its proper divisors (9648829840).

11312421044 is a wasteful number, since it uses less digits than its factorization.

11312421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166359154 (or 166359152 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11312421044 its reverse (44012421311), we get a palindrome (55324842355).

The spelling of 11312421044 in words is "eleven billion, three hundred twelve million, four hundred twenty-one thousand, forty-four".