811114485959 has 4 divisors (see below), whose sum is σ = 812102445960. Its totient is φ = 810126525960.

The previous prime is 811114485949. The next prime is 811114485977. The reversal of 811114485959 is 959584411118.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-811114485959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811114485949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493978769 + ... + 493980410.

It is an arithmetic number, because the mean of its divisors is an integer number (203025611490).

Almost surely, 2^811114485959 is an apocalyptic number.

811114485959 is a deficient number, since it is larger than the sum of its proper divisors (987960001).

811114485959 is an equidigital number, since it uses as much as digits as its factorization.

811114485959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987960000.

The product of its digits is 2073600, while the sum is 56.

The spelling of 811114485959 in words is "eight hundred eleven billion, one hundred fourteen million, four hundred eighty-five thousand, nine hundred fifty-nine".