15020042542 has 8 divisors (see below), whose sum is σ = 22532273136. Its totient is φ = 7509284832.

The previous prime is 15020042519. The next prime is 15020042561. The reversal of 15020042542 is 24524002051.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342363 + ... + 383734.

It is an arithmetic number, because the mean of its divisors is an integer number (2816534142).

Almost surely, 2^15020042542 is an apocalyptic number.

15020042542 is a deficient number, since it is larger than the sum of its proper divisors (7512230594).

15020042542 is a wasteful number, since it uses less digits than its factorization.

15020042542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736442.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 15020042542 its reverse (24524002051), we get a palindrome (39544044593).

The spelling of 15020042542 in words is "fifteen billion, twenty million, forty-two thousand, five hundred forty-two".