11521593332 has 12 divisors (see below), whose sum is σ = 20166710340. Its totient is φ = 5759676096.

The previous prime is 11521593329. The next prime is 11521593383. The reversal of 11521593332 is 23339512511.

It can be written as a sum of positive squares in 2 ways, for example, as 9495333136 + 2026260196 = 97444^2 + 45014^2 .

It is a super-2 number, since 2×11521593332² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11521593292 and 11521593301.

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, 256793 + ... + 298304.

It is an arithmetic number, because the mean of its divisors is an integer number (1680559195).

Almost surely, 2^11521593332 is an apocalyptic number.

It is an amenable number.

11521593332 is a deficient number, since it is larger than the sum of its proper divisors (8645117008).

11521593332 is a wasteful number, since it uses less digits than its factorization.

11521593332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560290 (or 560288 counting only the distinct ones).

The product of its digits is 24300, while the sum is 35.

The spelling of 11521593332 in words is "eleven billion, five hundred twenty-one million, five hundred ninety-three thousand, three hundred thirty-two".