15158735040642 has 32 divisors (see below), whose sum is σ = 30772580957952. Its totient is φ = 4977072668304.

The previous prime is 15158735040641. The next prime is 15158735040661. The reversal of 15158735040642 is 24604053785151.

It is not an unprimeable number, because it can be changed into a prime (15158735040641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160293 + ... + 6348615.

It is an arithmetic number, because the mean of its divisors is an integer number (961643154936).

Almost surely, 2^{15158735040642} is an apocalyptic number.

15158735040642 is an abundant number, since it is smaller than the sum of its proper divisors (15613845917310).

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

15158735040642 is a wasteful number, since it uses less digits than its factorization.

15158735040642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200222.

The product of its (nonzero) digits is 4032000, while the sum is 51.

The spelling of 15158735040642 in words is "fifteen trillion, one hundred fifty-eight billion, seven hundred thirty-five million, forty thousand, six hundred forty-two".