11157957894859 has 2 divisors, whose sum is σ = 11157957894860. Its totient is φ = 11157957894858.

The previous prime is 11157957894841. The next prime is 11157957894883. The reversal of 11157957894859 is 95849875975111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11157957894859 - 2³³ = 11149367960267 is a prime.

It is not a weakly prime, because it can be changed into another prime (11157957895859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578978947429 + 5578978947430.

It is an arithmetic number, because the mean of its divisors is an integer number (5578978947430).

Almost surely, 2^{11157957894859} is an apocalyptic number.

11157957894859 is a deficient number, since it is larger than the sum of its proper divisors (1).

11157957894859 is an equidigital number, since it uses as much as digits as its factorization.

11157957894859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072000, while the sum is 79.

The spelling of 11157957894859 in words is "eleven trillion, one hundred fifty-seven billion, nine hundred fifty-seven million, eight hundred ninety-four thousand, eight hundred fifty-nine".