15171502042 has 16 divisors (see below), whose sum is σ = 22946291712. Its totient is φ = 7522789680.

The previous prime is 15171502037. The next prime is 15171502057. The reversal of 15171502042 is 24020517151.

It is a self number, because there is not a number n which added to its sum of digits gives 15171502042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646588 + ... + 669640.

It is an arithmetic number, because the mean of its divisors is an integer number (1434143232).

Almost surely, 2^15171502042 is an apocalyptic number.

15171502042 is a deficient number, since it is larger than the sum of its proper divisors (7774789670).

15171502042 is a wasteful number, since it uses less digits than its factorization.

15171502042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25773.

The product of its (nonzero) digits is 2800, while the sum is 28.

The spelling of 15171502042 in words is "fifteen billion, one hundred seventy-one million, five hundred two thousand, forty-two".