1181872528273 has 4 divisors (see below), whose sum is σ = 1184540412528. Its totient is φ = 1179204644020.

The previous prime is 1181872528247. The next prime is 1181872528289. The reversal of 1181872528273 is 3728252781811.

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 1181872528273 - 2⁹ = 1181872527761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1181872528223) 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, 1333941463 + ... + 1333942348.

It is an arithmetic number, because the mean of its divisors is an integer number (296135103132).

Almost surely, 2^{1181872528273} is an apocalyptic number.

It is an amenable number.

1181872528273 is a deficient number, since it is larger than the sum of its proper divisors (2667884255).

1181872528273 is an equidigital number, since it uses as much as digits as its factorization.

1181872528273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667884254.

The product of its digits is 3010560, while the sum is 55.

The spelling of 1181872528273 in words is "one trillion, one hundred eighty-one billion, eight hundred seventy-two million, five hundred twenty-eight thousand, two hundred seventy-three".