811285080888 has 16 divisors (see below), whose sum is σ = 2028212702280. Its totient is φ = 270428360288.

The previous prime is 811285080871. The next prime is 811285080929. The reversal of 811285080888 is 888080582118.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 16901772495 + ... + 16901772542.

Almost surely, 2^811285080888 is an apocalyptic number.

It is an amenable number.

811285080888 is an abundant number, since it is smaller than the sum of its proper divisors (1216927621392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

811285080888 is a wasteful number, since it uses less digits than its factorization.

811285080888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33803545046 (or 33803545042 counting only the distinct ones).

The product of its (nonzero) digits is 2621440, while the sum is 57.

The spelling of 811285080888 in words is "eight hundred eleven billion, two hundred eighty-five million, eighty thousand, eight hundred eighty-eight".