15957080211 has 4 divisors (see below), whose sum is σ = 21276106952. Its totient is φ = 10638053472.

The previous prime is 15957080189. The next prime is 15957080261. The reversal of 15957080211 is 11208075951.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 15957080211 - 2¹⁴ = 15957063827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15957080211.

It is not an unprimeable number, because it can be changed into a prime (15957080261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659513366 + ... + 2659513371.

It is an arithmetic number, because the mean of its divisors is an integer number (5319026738).

Almost surely, 2^15957080211 is an apocalyptic number.

15957080211 is a deficient number, since it is larger than the sum of its proper divisors (5319026741).

15957080211 is an equidigital number, since it uses as much as digits as its factorization.

15957080211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319026740.

The product of its (nonzero) digits is 25200, while the sum is 39.

The spelling of 15957080211 in words is "fifteen billion, nine hundred fifty-seven million, eighty thousand, two hundred eleven".