11157016691 has 2 divisors, whose sum is σ = 11157016692. Its totient is φ = 11157016690.

The previous prime is 11157016627. The next prime is 11157016711. The reversal of 11157016691 is 19661075111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11157016691 - 2⁶ = 11157016627 is a prime.

It is not a weakly prime, because it can be changed into another prime (11157016601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578508345 + 5578508346.

It is an arithmetic number, because the mean of its divisors is an integer number (5578508346).

Almost surely, 2^11157016691 is an apocalyptic number.

11157016691 is a deficient number, since it is larger than the sum of its proper divisors (1).

11157016691 is an equidigital number, since it uses as much as digits as its factorization.

11157016691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 38.

The spelling of 11157016691 in words is "eleven billion, one hundred fifty-seven million, sixteen thousand, six hundred ninety-one".