15857150073 has 4 divisors (see below), whose sum is σ = 21142866768. Its totient is φ = 10571433380.

The previous prime is 15857150047. The next prime is 15857150117. The reversal of 15857150073 is 37005175851.

15857150073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15857150073 - 2⁵ = 15857150041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15857155073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2642858343 + ... + 2642858348.

It is an arithmetic number, because the mean of its divisors is an integer number (5285716692).

Almost surely, 2^15857150073 is an apocalyptic number.

It is an amenable number.

15857150073 is a deficient number, since it is larger than the sum of its proper divisors (5285716695).

15857150073 is an equidigital number, since it uses as much as digits as its factorization.

15857150073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5285716694.

The product of its (nonzero) digits is 147000, while the sum is 42.

The spelling of 15857150073 in words is "fifteen billion, eight hundred fifty-seven million, one hundred fifty thousand, seventy-three".