11110664019243 has 4 divisors (see below), whose sum is σ = 14814218692328. Its totient is φ = 7407109346160.

The previous prime is 11110664019241. The next prime is 11110664019307. The reversal of 11110664019243 is 34291046601111.

It is a happy number.

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

It is not a de Polignac number, because 11110664019243 - 2¹ = 11110664019241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110664019241) 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, 1851777336538 + ... + 1851777336543.

It is an arithmetic number, because the mean of its divisors is an integer number (3703554673082).

Almost surely, 2^{11110664019243} is an apocalyptic number.

11110664019243 is a deficient number, since it is larger than the sum of its proper divisors (3703554673085).

11110664019243 is an equidigital number, since it uses as much as digits as its factorization.

11110664019243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3703554673084.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 11110664019243 in words is "eleven trillion, one hundred ten billion, six hundred sixty-four million, nineteen thousand, two hundred forty-three".