11142444235 has 48 divisors (see below), whose sum is σ = 15394518720. Its totient is φ = 7687008000.

The previous prime is 11142444197. The next prime is 11142444259. The reversal of 11142444235 is 53244424111.

It is a happy number.

It is not a de Polignac number, because 11142444235 - 2⁹ = 11142443723 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 11142444197 and 11142444206.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1808410 + ... + 1814560.

It is an arithmetic number, because the mean of its divisors is an integer number (320719140).

Almost surely, 2^11142444235 is an apocalyptic number.

11142444235 is a deficient number, since it is larger than the sum of its proper divisors (4252074485).

11142444235 is a wasteful number, since it uses less digits than its factorization.

11142444235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260 (or 6229 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

Adding to 11142444235 its reverse (53244424111), we get a palindrome (64386868346).

The spelling of 11142444235 in words is "eleven billion, one hundred forty-two million, four hundred forty-four thousand, two hundred thirty-five".