15712453542 has 32 divisors (see below), whose sum is σ = 32835087360. Its totient is φ = 5003064000.

The previous prime is 15712453531. The next prime is 15712453553. The reversal of 15712453542 is 24535421751.

It is an interprime number because it is at equal distance from previous prime (15712453531) and next prime (15712453553).

It is a self number, because there is not a number n which added to its sum of digits gives 15712453542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27834 + ... + 179442.

It is an arithmetic number, because the mean of its divisors is an integer number (1026096480).

Almost surely, 2^15712453542 is an apocalyptic number.

15712453542 is an abundant number, since it is smaller than the sum of its proper divisors (17122633818).

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

15712453542 is a wasteful number, since it uses less digits than its factorization.

15712453542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152388.

The product of its digits is 168000, while the sum is 39.

The spelling of 15712453542 in words is "fifteen billion, seven hundred twelve million, four hundred fifty-three thousand, five hundred forty-two".