11552312044 has 36 divisors (see below), whose sum is σ = 25018626864. Its totient is φ = 4570143552.

The previous prime is 11552312011. The next prime is 11552312117. The reversal of 11552312044 is 44021325511.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1215927 + ... + 1225390.

Almost surely, 2^11552312044 is an apocalyptic number.

11552312044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11552312044 is an abundant number, since it is smaller than the sum of its proper divisors (13466314820).

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

11552312044 is a wasteful number, since it uses less digits than its factorization.

11552312044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441354 (or 2441339 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 11552312044 its reverse (44021325511), we get a palindrome (55573637555).

The spelling of 11552312044 in words is "eleven billion, five hundred fifty-two million, three hundred twelve thousand, forty-four".