15858043104 has 96 divisors (see below), whose sum is σ = 42042478464. Its totient is φ = 5233559040.

The previous prime is 15858043073. The next prime is 15858043171. The reversal of 15858043104 is 40134085851.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4426594 + ... + 4430174.

It is an arithmetic number, because the mean of its divisors is an integer number (437942484).

Almost surely, 2^15858043104 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 15858043104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21021239232).

15858043104 is an abundant number, since it is smaller than the sum of its proper divisors (26184435360).

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

15858043104 is a wasteful number, since it uses less digits than its factorization.

15858043104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4032 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 39.

The spelling of 15858043104 in words is "fifteen billion, eight hundred fifty-eight million, forty-three thousand, one hundred four".