15040512042 has 16 divisors (see below), whose sum is σ = 30095700960. Its totient is φ = 5011057872.

The previous prime is 15040511999. The next prime is 15040512049. The reversal of 15040512042 is 24021504051.

It is not an unprimeable number, because it can be changed into a prime (15040512049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598192 + ... + 622827.

It is an arithmetic number, because the mean of its divisors is an integer number (1880981310).

Almost surely, 2^15040512042 is an apocalyptic number.

15040512042 is an abundant number, since it is smaller than the sum of its proper divisors (15055188918).

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

15040512042 is a wasteful number, since it uses less digits than its factorization.

15040512042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223077.

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 15040512042 in words is "fifteen billion, forty million, five hundred twelve thousand, forty-two".