15152566642 has 8 divisors (see below), whose sum is σ = 23512603500. Its totient is φ = 7315032144.

The previous prime is 15152566621. The next prime is 15152566691. The reversal of 15152566642 is 24666525151.

15152566642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13098573601 + 2053993041 = 114449^2 + 45321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130625517 + ... + 130625632.

Almost surely, 2^15152566642 is an apocalyptic number.

15152566642 is a deficient number, since it is larger than the sum of its proper divisors (8360036858).

15152566642 is a wasteful number, since it uses less digits than its factorization.

15152566642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261251180.

The product of its digits is 432000, while the sum is 43.

The spelling of 15152566642 in words is "fifteen billion, one hundred fifty-two million, five hundred sixty-six thousand, six hundred forty-two".