11723450117290 has 16 divisors (see below), whose sum is σ = 21672540217512. Its totient is φ = 4562640045504.

The previous prime is 11723450117279. The next prime is 11723450117317. The reversal of 11723450117290 is 9271105432711.

It can be written as a sum of positive squares in 4 ways, for example, as 7948243863169 + 3775206254121 = 2819263^2 + 1942989^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15842499789 + ... + 15842500528.

Almost surely, 2^{11723450117290} is an apocalyptic number.

11723450117290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11723450117290 is a deficient number, since it is larger than the sum of its proper divisors (9949090100222).

11723450117290 is a wasteful number, since it uses less digits than its factorization.

11723450117290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31685000361.

The product of its (nonzero) digits is 105840, while the sum is 43.

The spelling of 11723450117290 in words is "eleven trillion, seven hundred twenty-three billion, four hundred fifty million, one hundred seventeen thousand, two hundred ninety".