11917967053 has 2 divisors, whose sum is σ = 11917967054. Its totient is φ = 11917967052.

The previous prime is 11917967041. The next prime is 11917967071. The reversal of 11917967053 is 35076971911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10242047209 + 1675919844 = 101203^2 + 40938^2 .

It is a cyclic number.

It is not a de Polignac number, because 11917967053 - 2⁵ = 11917967021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11917966988 and 11917967006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11917967093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5958983526 + 5958983527.

It is an arithmetic number, because the mean of its divisors is an integer number (5958983527).

Almost surely, 2^11917967053 is an apocalyptic number.

It is an amenable number.

11917967053 is a deficient number, since it is larger than the sum of its proper divisors (1).

11917967053 is an equidigital number, since it uses as much as digits as its factorization.

11917967053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 357210, while the sum is 49.

The spelling of 11917967053 in words is "eleven billion, nine hundred seventeen million, nine hundred sixty-seven thousand, fifty-three".