11442311442 has 48 divisors (see below), whose sum is σ = 26410980960. Its totient is φ = 3569818176.

The previous prime is 11442311417. The next prime is 11442311449. The reversal of 11442311442 is 24411324411.

It is a super-2 number, since 2×11442311442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11442311449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173163 + ... + 229934.

It is an arithmetic number, because the mean of its divisors is an integer number (550228770).

Almost surely, 2^11442311442 is an apocalyptic number.

11442311442 is an abundant number, since it is smaller than the sum of its proper divisors (14968669518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11442311442 is a wasteful number, since it uses less digits than its factorization.

11442311442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403207 (or 403204 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

Adding to 11442311442 its reverse (24411324411), we get a palindrome (35853635853).

The spelling of 11442311442 in words is "eleven billion, four hundred forty-two million, three hundred eleven thousand, four hundred forty-two".