1100997913859 has 2 divisors, whose sum is σ = 1100997913860. Its totient is φ = 1100997913858.

The previous prime is 1100997913849. The next prime is 1100997913871. The reversal of 1100997913859 is 9583197990011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100997913859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100997913849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550498956929 + 550498956930.

It is an arithmetic number, because the mean of its divisors is an integer number (550498956930).

Almost surely, 2^{1100997913859} is an apocalyptic number.

1100997913859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100997913859 is an equidigital number, since it uses as much as digits as its factorization.

1100997913859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5511240, while the sum is 62.

The spelling of 1100997913859 in words is "one trillion, one hundred billion, nine hundred ninety-seven million, nine hundred thirteen thousand, eight hundred fifty-nine".