11532139360 has 96 divisors (see below), whose sum is σ = 31177101312. Its totient is φ = 3948756480.

The previous prime is 11532139343. The next prime is 11532139373. The reversal of 11532139360 is 6393123511.

It is a happy number.

It is a super-2 number, since 2×11532139360² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 915505 + ... + 928015.

It is an arithmetic number, because the mean of its divisors is an integer number (324761472).

Almost surely, 2^11532139360 is an apocalyptic number.

11532139360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11532139360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15588550656).

11532139360 is an abundant number, since it is smaller than the sum of its proper divisors (19644961952).

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

11532139360 is a wasteful number, since it uses less digits than its factorization.

11532139360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13356 (or 13348 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 34.

The spelling of 11532139360 in words is "eleven billion, five hundred thirty-two million, one hundred thirty-nine thousand, three hundred sixty".