15232311132 has 24 divisors (see below), whose sum is σ = 36767648400. Its totient is φ = 4902352896.

The previous prime is 15232311097. The next prime is 15232311137. The reversal of 15232311132 is 23111323251.

It is a happy number.

It is a super-2 number, since 2×15232311132² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15232311137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21885157 + ... + 21885852.

It is an arithmetic number, because the mean of its divisors is an integer number (1531985350).

Almost surely, 2^15232311132 is an apocalyptic number.

15232311132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15232311132 is an abundant number, since it is smaller than the sum of its proper divisors (21535337268).

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

15232311132 is a wasteful number, since it uses less digits than its factorization.

15232311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43771045 (or 43771043 counting only the distinct ones).

The product of its digits is 1080, while the sum is 24.

Adding to 15232311132 its reverse (23111323251), we get a palindrome (38343634383).

The spelling of 15232311132 in words is "fifteen billion, two hundred thirty-two million, three hundred eleven thousand, one hundred thirty-two".