11551967959699 has 2 divisors, whose sum is σ = 11551967959700. Its totient is φ = 11551967959698.

The previous prime is 11551967959691. The next prime is 11551967959703. The reversal of 11551967959699 is 99695976915511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11551967959699 - 2³ = 11551967959691 is a prime.

It is not a weakly prime, because it can be changed into another prime (11551967959691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775983979849 + 5775983979850.

It is an arithmetic number, because the mean of its divisors is an integer number (5775983979850).

Almost surely, 2^{11551967959699} is an apocalyptic number.

11551967959699 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551967959699 is an equidigital number, since it uses as much as digits as its factorization.

11551967959699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1860043500, while the sum is 82.

The spelling of 11551967959699 in words is "eleven trillion, five hundred fifty-one billion, nine hundred sixty-seven million, nine hundred fifty-nine thousand, six hundred ninety-nine".