1108255801 has 4 divisors (see below), whose sum is σ = 1108324900. Its totient is φ = 1108186704.

The previous prime is 1108255787. The next prime is 1108255829. The reversal of 1108255801 is 1085528011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 813618576 + 294637225 = 28524^2 + 17165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1108255801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1108255831) 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, 3415 + ... + 47203.

It is an arithmetic number, because the mean of its divisors is an integer number (277081225).

Almost surely, 2^1108255801 is an apocalyptic number.

It is an amenable number.

1108255801 is a deficient number, since it is larger than the sum of its proper divisors (69099).

1108255801 is an equidigital number, since it uses as much as digits as its factorization.

1108255801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69098.

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 1108255801 is about 33290.4761305692. The cubic root of 1108255801 is about 1034.8561963463.

The spelling of 1108255801 in words is "one billion, one hundred eight million, two hundred fifty-five thousand, eight hundred one".