800118536825 has 18 divisors (see below), whose sum is σ = 1008678442122. Its totient is φ = 629601398400.

The previous prime is 800118536809. The next prime is 800118536837. The reversal of 800118536825 is 528635811008.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 386799412624 + 413319124201 = 621932^2 + 642899^2 .

It is not a de Polignac number, because 800118536825 - 2⁴ = 800118536809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 800118536825.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4207532 + ... + 4393581.

It is an arithmetic number, because the mean of its divisors is an integer number (56037691229).

Almost surely, 2^800118536825 is an apocalyptic number.

It is an amenable number.

800118536825 is a deficient number, since it is larger than the sum of its proper divisors (208559905297).

800118536825 is an equidigital number, since it uses as much as digits as its factorization.

800118536825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8601245 (or 8601179 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 800118536825 in words is "eight hundred billion, one hundred eighteen million, five hundred thirty-six thousand, eight hundred twenty-five".