800436110125 has 8 divisors (see below), whose sum is σ = 998944265592. Its totient is φ = 640348888000.

The previous prime is 800436110107. The next prime is 800436110141. The reversal of 800436110125 is 521011634008.

It can be written as a sum of positive squares in 4 ways, for example, as 6173716329 + 794262393796 = 78573^2 + 891214^2 .

It is not a de Polignac number, because 800436110125 - 2²³ = 800427721517 is a prime.

It is a super-2 number, since 2×800436110125² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 3201744316 + ... + 3201744565.

It is an arithmetic number, because the mean of its divisors is an integer number (124868033199).

Almost surely, 2^800436110125 is an apocalyptic number.

It is an amenable number.

800436110125 is a deficient number, since it is larger than the sum of its proper divisors (198508155467).

800436110125 is an equidigital number, since it uses as much as digits as its factorization.

800436110125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403488896 (or 6403488886 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 800436110125 in words is "eight hundred billion, four hundred thirty-six million, one hundred ten thousand, one hundred twenty-five".