15755951161 has 4 divisors (see below), whose sum is σ = 15756317824. Its totient is φ = 15755584500.

The previous prime is 15755951143. The next prime is 15755951177. The reversal of 15755951161 is 16115955751.

15755951161 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 15755951161 - 2¹⁹ = 15755426873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15755951461) 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, 108765 + ... + 208186.

It is an arithmetic number, because the mean of its divisors is an integer number (3939079456).

Almost surely, 2^15755951161 is an apocalyptic number.

It is an amenable number.

15755951161 is a deficient number, since it is larger than the sum of its proper divisors (366663).

15755951161 is an equidigital number, since it uses as much as digits as its factorization.

15755951161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366662.

The product of its digits is 236250, while the sum is 46.

The spelling of 15755951161 in words is "fifteen billion, seven hundred fifty-five million, nine hundred fifty-one thousand, one hundred sixty-one".