119391116381 has 2 divisors, whose sum is σ = 119391116382. Its totient is φ = 119391116380.

The previous prime is 119391116333. The next prime is 119391116401. The reversal of 119391116381 is 183611193911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116693976025 + 2697140356 = 341605^2 + 51934^2 .

It is a cyclic number.

It is not a de Polignac number, because 119391116381 - 2¹⁸ = 119390854237 is a prime.

It is a super-2 number, since 2×119391116381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (119391116321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59695558190 + 59695558191.

It is an arithmetic number, because the mean of its divisors is an integer number (59695558191).

Almost surely, 2^119391116381 is an apocalyptic number.

It is an amenable number.

119391116381 is a deficient number, since it is larger than the sum of its proper divisors (1).

119391116381 is an equidigital number, since it uses as much as digits as its factorization.

119391116381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 44.

The spelling of 119391116381 in words is "one hundred nineteen billion, three hundred ninety-one million, one hundred sixteen thousand, three hundred eighty-one".