119144170091 has 2 divisors, whose sum is σ = 119144170092. Its totient is φ = 119144170090.

The previous prime is 119144170063. The next prime is 119144170139. The reversal of 119144170091 is 190071441911.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-119144170091 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (119144170021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59572085045 + 59572085046.

It is an arithmetic number, because the mean of its divisors is an integer number (59572085046).

Almost surely, 2^119144170091 is an apocalyptic number.

119144170091 is a deficient number, since it is larger than the sum of its proper divisors (1).

119144170091 is an equidigital number, since it uses as much as digits as its factorization.

119144170091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 38.

The spelling of 119144170091 in words is "one hundred nineteen billion, one hundred forty-four million, one hundred seventy thousand, ninety-one".