15231133132 has 12 divisors (see below), whose sum is σ = 27304592616. Its totient is φ = 7429820960.

The previous prime is 15231133129. The next prime is 15231133133. The reversal of 15231133132 is 23133113251.

It is a junction number, because it is equal to n+sod(n) for n = 15231133097 and 15231133106.

It is not an unprimeable number, because it can be changed into a prime (15231133133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46436218 + ... + 46436545.

It is an arithmetic number, because the mean of its divisors is an integer number (2275382718).

Almost surely, 2^15231133132 is an apocalyptic number.

It is an amenable number.

15231133132 is a deficient number, since it is larger than the sum of its proper divisors (12073459484).

15231133132 is a wasteful number, since it uses less digits than its factorization.

15231133132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92872808 (or 92872806 counting only the distinct ones).

The product of its digits is 1620, while the sum is 25.

Adding to 15231133132 its reverse (23133113251), we get a palindrome (38364246383).

The spelling of 15231133132 in words is "fifteen billion, two hundred thirty-one million, one hundred thirty-three thousand, one hundred thirty-two".