15015500042 has 8 divisors (see below), whose sum is σ = 22524531456. Its totient is φ = 7507322892.

The previous prime is 15015499897. The next prime is 15015500077. The reversal of 15015500042 is 24000551051.

It is a happy number.

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

It is a super-2 number, since 2×15015500042² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15015499990 and 15015500017.

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, 167648 + ... + 241115.

It is an arithmetic number, because the mean of its divisors is an integer number (2815566432).

Almost surely, 2^15015500042 is an apocalyptic number.

15015500042 is a deficient number, since it is larger than the sum of its proper divisors (7509031414).

15015500042 is a wasteful number, since it uses less digits than its factorization.

15015500042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427132.

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 15015500042 in words is "fifteen billion, fifteen million, five hundred thousand, forty-two".