15061557242 has 16 divisors (see below), whose sum is σ = 22909552512. Its totient is φ = 7425613440.

The previous prime is 15061557197. The next prime is 15061557289. The reversal of 15061557242 is 24275516051.

It is a junction number, because it is equal to n+sod(n) for n = 15061557196 and 15061557205.

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, 90668 + ... + 195815.

It is an arithmetic number, because the mean of its divisors is an integer number (1431847032).

Almost surely, 2^15061557242 is an apocalyptic number.

15061557242 is a deficient number, since it is larger than the sum of its proper divisors (7847995270).

15061557242 is a wasteful number, since it uses less digits than its factorization.

15061557242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286853.

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 15061557242 in words is "fifteen billion, sixty-one million, five hundred fifty-seven thousand, two hundred forty-two".