11097669857 has 2 divisors, whose sum is σ = 11097669858. Its totient is φ = 11097669856.

The previous prime is 11097669727. The next prime is 11097669899. The reversal of 11097669857 is 75896679011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8629666816 + 2468003041 = 92896^2 + 49679^2 .

It is a cyclic number.

It is not a de Polignac number, because 11097669857 - 2⁸ = 11097669601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11097669796 and 11097669805.

It is not a weakly prime, because it can be changed into another prime (11097669157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5548834928 + 5548834929.

It is an arithmetic number, because the mean of its divisors is an integer number (5548834929).

Almost surely, 2^11097669857 is an apocalyptic number.

It is an amenable number.

11097669857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11097669857 is an equidigital number, since it uses as much as digits as its factorization.

11097669857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The spelling of 11097669857 in words is "eleven billion, ninety-seven million, six hundred sixty-nine thousand, eight hundred fifty-seven".