15859358645 has 16 divisors (see below), whose sum is σ = 20497919232. Its totient is φ = 11709956160.

The previous prime is 15859358639. The next prime is 15859358657. The reversal of 15859358645 is 54685395851.

It is a de Polignac number, because none of the positive numbers 2^k-15859358645 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 737090 + ... + 758300.

It is an arithmetic number, because the mean of its divisors is an integer number (1281119952).

Almost surely, 2^15859358645 is an apocalyptic number.

It is an amenable number.

15859358645 is a deficient number, since it is larger than the sum of its proper divisors (4638560587).

15859358645 is a wasteful number, since it uses less digits than its factorization.

15859358645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32732.

The product of its digits is 25920000, while the sum is 59.

The spelling of 15859358645 in words is "fifteen billion, eight hundred fifty-nine million, three hundred fifty-eight thousand, six hundred forty-five".