1091701950959 has 2 divisors, whose sum is σ = 1091701950960. Its totient is φ = 1091701950958.

The previous prime is 1091701950953. The next prime is 1091701950967. The reversal of 1091701950959 is 9590591071901.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1091701950959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1091701950953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545850975479 + 545850975480.

It is an arithmetic number, because the mean of its divisors is an integer number (545850975480).

Almost surely, 2^{1091701950959} is an apocalyptic number.

1091701950959 is a deficient number, since it is larger than the sum of its proper divisors (1).

1091701950959 is an equidigital number, since it uses as much as digits as its factorization.

1091701950959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1148175, while the sum is 56.

The spelling of 1091701950959 in words is "one trillion, ninety-one billion, seven hundred one million, nine hundred fifty thousand, nine hundred fifty-nine".