11658688532 has 6 divisors (see below), whose sum is σ = 20402704938. Its totient is φ = 5829344264.

The previous prime is 11658688511. The next prime is 11658688543. The reversal of 11658688532 is 23588685611.

It is a happy number.

11658688532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10355911696 + 1302776836 = 101764^2 + 36094^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1457336063 + ... + 1457336070.

It is an arithmetic number, because the mean of its divisors is an integer number (3400450823).

Almost surely, 2^11658688532 is an apocalyptic number.

It is an amenable number.

11658688532 is a deficient number, since it is larger than the sum of its proper divisors (8744016406).

11658688532 is a wasteful number, since it uses less digits than its factorization.

11658688532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914672137 (or 2914672135 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 53.

The spelling of 11658688532 in words is "eleven billion, six hundred fifty-eight million, six hundred eighty-eight thousand, five hundred thirty-two".