811301128355 has 16 divisors (see below), whose sum is σ = 989310814464. Its totient is φ = 638565158880.

The previous prime is 811301128331. The next prime is 811301128367. The reversal of 811301128355 is 553821103118.

It is a de Polignac number, because none of the positive numbers 2^k-811301128355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1221407 + ... + 1764776.

It is an arithmetic number, because the mean of its divisors is an integer number (61831925904).

Almost surely, 2^811301128355 is an apocalyptic number.

811301128355 is a deficient number, since it is larger than the sum of its proper divisors (178009686109).

811301128355 is a wasteful number, since it uses less digits than its factorization.

811301128355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987066.

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 811301128355 in words is "eight hundred eleven billion, three hundred one million, one hundred twenty-eight thousand, three hundred fifty-five".