16113536251 has 4 divisors (see below), whose sum is σ = 16113888592. Its totient is φ = 16113183912.

The previous prime is 16113536237. The next prime is 16113536267. The reversal of 16113536251 is 15263531161.

16113536251 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 an emirpimes, since its reverse is a distinct semiprime: 15263531161 = 113 ⋅135075497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16113536251 is a prime.

It is a super-2 number, since 2×16113536251² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16113536851) 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, 95151 + ... + 203176.

It is an arithmetic number, because the mean of its divisors is an integer number (4028472148).

Almost surely, 2^16113536251 is an apocalyptic number.

16113536251 is a deficient number, since it is larger than the sum of its proper divisors (352341).

16113536251 is an equidigital number, since it uses as much as digits as its factorization.

16113536251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352340.

The product of its digits is 16200, while the sum is 34.

The spelling of 16113536251 in words is "sixteen billion, one hundred thirteen million, five hundred thirty-six thousand, two hundred fifty-one".