1117875478273 has 4 divisors (see below), whose sum is σ = 1119512192688. Its totient is φ = 1116238763860.

The previous prime is 1117875478261. The next prime is 1117875478327. The reversal of 1117875478273 is 3728745787111.

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 a de Polignac number, because none of the positive numbers 2^k-1117875478273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117876478273) 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, 818356183 + ... + 818357548.

It is an arithmetic number, because the mean of its divisors is an integer number (279878048172).

Almost surely, 2^{1117875478273} is an apocalyptic number.

It is an amenable number.

1117875478273 is a deficient number, since it is larger than the sum of its proper divisors (1636714415).

1117875478273 is an equidigital number, since it uses as much as digits as its factorization.

1117875478273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636714414.

The product of its digits is 18439680, while the sum is 61.

The spelling of 1117875478273 in words is "one trillion, one hundred seventeen billion, eight hundred seventy-five million, four hundred seventy-eight thousand, two hundred seventy-three".