1196964172091 has 2 divisors, whose sum is σ = 1196964172092. Its totient is φ = 1196964172090.

The previous prime is 1196964172087. The next prime is 1196964172093. The reversal of 1196964172091 is 1902714696911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1196964172091 - 2² = 1196964172087 is a prime.

Together with 1196964172093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1196964172093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 598482086045 + 598482086046.

It is an arithmetic number, because the mean of its divisors is an integer number (598482086046).

Almost surely, 2^{1196964172091} is an apocalyptic number.

1196964172091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1196964172091 is an equidigital number, since it uses as much as digits as its factorization.

1196964172091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 1196964172091 in words is "one trillion, one hundred ninety-six billion, nine hundred sixty-four million, one hundred seventy-two thousand, ninety-one".