11379865552 has 80 divisors (see below), whose sum is σ = 25516206144. Its totient is φ = 4859136000.

The previous prime is 11379865531. The next prime is 11379865559. The reversal of 11379865552 is 25556897311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11379865552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11379865559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1705102 + ... + 1711762.

Almost surely, 2^11379865552 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 11379865552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12758103072).

11379865552 is an abundant number, since it is smaller than the sum of its proper divisors (14136340592).

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

11379865552 is a wasteful number, since it uses less digits than its factorization.

11379865552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268 (or 7262 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 52.

It can be divided in two parts, 1137 and 9865552, that added together give a palindrome (9866689).

The spelling of 11379865552 in words is "eleven billion, three hundred seventy-nine million, eight hundred sixty-five thousand, five hundred fifty-two".