11552313408 has 112 divisors (see below), whose sum is σ = 32040185856. Its totient is φ = 3666516480.

The previous prime is 11552313397. The next prime is 11552313427. The reversal of 11552313408 is 80431325511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 978903 + ... + 990633.

It is an arithmetic number, because the mean of its divisors is an integer number (286073088).

Almost surely, 2^11552313408 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 11552313408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16020092928).

11552313408 is an abundant number, since it is smaller than the sum of its proper divisors (20487872448).

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

11552313408 is a wasteful number, since it uses less digits than its factorization.

11552313408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992 (or 11982 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 11552313408 its reverse (80431325511), we get a palindrome (91983638919).

The spelling of 11552313408 in words is "eleven billion, five hundred fifty-two million, three hundred thirteen thousand, four hundred eight".