15042884556 has 72 divisors (see below), whose sum is σ = 40869659376. Its totient is φ = 4293864960.

The previous prime is 15042884533. The next prime is 15042884567. The reversal of 15042884556 is 65548824051.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633376 + ... + 656696.

It is an arithmetic number, because the mean of its divisors is an integer number (567634158).

Almost surely, 2^15042884556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15042884556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20434829688).

15042884556 is an abundant number, since it is smaller than the sum of its proper divisors (25826774820).

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

15042884556 is a wasteful number, since it uses less digits than its factorization.

15042884556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24439 (or 24430 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 15042884556 in words is "fifteen billion, forty-two million, eight hundred eighty-four thousand, five hundred fifty-six".