15021046542 has 16 divisors (see below), whose sum is σ = 30043729152. Its totient is φ = 5006742840.

The previous prime is 15021046529. The next prime is 15021046571. The reversal of 15021046542 is 24564012051.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73993 + ... + 188459.

It is an arithmetic number, because the mean of its divisors is an integer number (1877733072).

Almost surely, 2^15021046542 is an apocalyptic number.

15021046542 is an abundant number, since it is smaller than the sum of its proper divisors (15022682610).

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

15021046542 is a wasteful number, since it uses less digits than its factorization.

15021046542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136343.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 15021046542 its reverse (24564012051), we get a palindrome (39585058593).

The spelling of 15021046542 in words is "fifteen billion, twenty-one million, forty-six thousand, five hundred forty-two".