15022015042 has 4 divisors (see below), whose sum is σ = 22533022566. Its totient is φ = 7511007520.

The previous prime is 15022015037. The next prime is 15022015069. The reversal of 15022015042 is 24051022051.

15022015042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12667727601 + 2354287441 = 112551^2 + 48521^2 .

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 as a sum of consecutive naturals, namely, 3755503759 + ... + 3755503762.

Almost surely, 2^15022015042 is an apocalyptic number.

15022015042 is a deficient number, since it is larger than the sum of its proper divisors (7511007524).

15022015042 is an equidigital number, since it uses as much as digits as its factorization.

15022015042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7511007523.

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 15022015042 its reverse (24051022051), we get a palindrome (39073037093).

The spelling of 15022015042 in words is "fifteen billion, twenty-two million, fifteen thousand, forty-two".