15432142712 has 96 divisors (see below), whose sum is σ = 34399235520. Its totient is φ = 6469182720.

The previous prime is 15432142711. The next prime is 15432142907. The reversal of 15432142712 is 21724123451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15432142711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8247137 + ... + 8249007.

It is an arithmetic number, because the mean of its divisors is an integer number (358325370).

Almost surely, 2^15432142712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15432142712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17199617760).

15432142712 is an abundant number, since it is smaller than the sum of its proper divisors (18967092808).

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

15432142712 is a wasteful number, since it uses less digits than its factorization.

15432142712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2330 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The spelling of 15432142712 in words is "fifteen billion, four hundred thirty-two million, one hundred forty-two thousand, seven hundred twelve".