1118806153 has 4 divisors (see below), whose sum is σ = 1119130128. Its totient is φ = 1118482180.

The previous prime is 1118806099. The next prime is 1118806163. The reversal of 1118806153 is 3516088111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1118806153 - 2²⁵ = 1085251721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118806163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156751 + ... + 163732.

It is an arithmetic number, because the mean of its divisors is an integer number (279782532).

Almost surely, 2^1118806153 is an apocalyptic number.

It is an amenable number.

1118806153 is a deficient number, since it is larger than the sum of its proper divisors (323975).

1118806153 is an equidigital number, since it uses as much as digits as its factorization.

1118806153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323974.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 1118806153 is about 33448.5598045716. The cubic root of 1118806153 is about 1038.1296985010.

The spelling of 1118806153 in words is "one billion, one hundred eighteen million, eight hundred six thousand, one hundred fifty-three".