191119211053 has 2 divisors, whose sum is σ = 191119211054. Its totient is φ = 191119211052.

The previous prime is 191119211047. The next prime is 191119211111. The reversal of 191119211053 is 350112911191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 166478688324 + 24640522729 = 408018^2 + 156973^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-191119211053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (191119211653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95559605526 + 95559605527.

It is an arithmetic number, because the mean of its divisors is an integer number (95559605527).

Almost surely, 2^191119211053 is an apocalyptic number.

It is an amenable number.

191119211053 is a deficient number, since it is larger than the sum of its proper divisors (1).

191119211053 is an equidigital number, since it uses as much as digits as its factorization.

191119211053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 34.

The spelling of 191119211053 in words is "one hundred ninety-one billion, one hundred nineteen million, two hundred eleven thousand, fifty-three".