11532156532 has 24 divisors (see below), whose sum is σ = 21853773032. Its totient is φ = 5293123200.

The previous prime is 11532156521. The next prime is 11532156557. The reversal of 11532156532 is 23565123511.

It can be written as a sum of positive squares in 4 ways, for example, as 497914596 + 11034241936 = 22314^2 + 105044^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603219 + ... + 622042.

Almost surely, 2^11532156532 is an apocalyptic number.

It is an amenable number.

11532156532 is a deficient number, since it is larger than the sum of its proper divisors (10321616500).

11532156532 is a wasteful number, since it uses less digits than its factorization.

11532156532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225459 (or 1225457 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The spelling of 11532156532 in words is "eleven billion, five hundred thirty-two million, one hundred fifty-six thousand, five hundred thirty-two".