11143347242 has 4 divisors (see below), whose sum is σ = 16715020866. Its totient is φ = 5571673620.

The previous prime is 11143347233. The next prime is 11143347251. The reversal of 11143347242 is 24274334111.

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

It is an interprime number because it is at equal distance from previous prime (11143347233) and next prime (11143347251).

It can be written as a sum of positive squares in only one way, i.e., 8768636881 + 2374710361 = 93641^2 + 48731^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11143347199 and 11143347208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2785836809 + ... + 2785836812.

Almost surely, 2^11143347242 is an apocalyptic number.

11143347242 is a deficient number, since it is larger than the sum of its proper divisors (5571673624).

11143347242 is an equidigital number, since it uses as much as digits as its factorization.

11143347242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571673623.

The product of its digits is 16128, while the sum is 32.

The spelling of 11143347242 in words is "eleven billion, one hundred forty-three million, three hundred forty-seven thousand, two hundred forty-two".