1115500051166 has 4 divisors (see below), whose sum is σ = 1673250076752. Its totient is φ = 557750025582.

The previous prime is 1115500051153. The next prime is 1115500051177. The reversal of 1115500051166 is 6611500055111.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278875012790 + ... + 278875012793.

It is an arithmetic number, because the mean of its divisors is an integer number (418312519188).

Almost surely, 2^{1115500051166} is an apocalyptic number.

1115500051166 is a deficient number, since it is larger than the sum of its proper divisors (557750025586).

1115500051166 is an equidigital number, since it uses as much as digits as its factorization.

1115500051166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557750025585.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 1115500051166 in words is "one trillion, one hundred fifteen billion, five hundred million, fifty-one thousand, one hundred sixty-six".