11178600857 has 2 divisors, whose sum is σ = 11178600858. Its totient is φ = 11178600856.

The previous prime is 11178600821. The next prime is 11178600859. The reversal of 11178600857 is 75800687111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9822593881 + 1356006976 = 99109^2 + 36824^2 .

It is a cyclic number.

It is not a de Polignac number, because 11178600857 - 2¹⁰ = 11178599833 is a prime.

It is a super-2 number, since 2×11178600857² (a number of 21 digits) contains 22 as substring.

Together with 11178600859, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11178600859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5589300428 + 5589300429.

It is an arithmetic number, because the mean of its divisors is an integer number (5589300429).

Almost surely, 2^11178600857 is an apocalyptic number.

It is an amenable number.

11178600857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11178600857 is an equidigital number, since it uses as much as digits as its factorization.

11178600857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 44.

The spelling of 11178600857 in words is "eleven billion, one hundred seventy-eight million, six hundred thousand, eight hundred fifty-seven".