16113981371 has 2 divisors, whose sum is σ = 16113981372. Its totient is φ = 16113981370.

The previous prime is 16113981347. The next prime is 16113981413. The reversal of 16113981371 is 17318931161.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16113981371 - 2⁶ = 16113981307 is a prime.

It is a super-3 number, since 3×16113981371³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (16113981971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8056990685 + 8056990686.

It is an arithmetic number, because the mean of its divisors is an integer number (8056990686).

Almost surely, 2^16113981371 is an apocalyptic number.

16113981371 is a deficient number, since it is larger than the sum of its proper divisors (1).

16113981371 is an equidigital number, since it uses as much as digits as its factorization.

16113981371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 41.

The spelling of 16113981371 in words is "sixteen billion, one hundred thirteen million, nine hundred eighty-one thousand, three hundred seventy-one".