11100431442 has 32 divisors (see below), whose sum is σ = 23964958080. Its totient is φ = 3417223040.

The previous prime is 11100431429. The next prime is 11100431453. The reversal of 11100431442 is 24413400111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1382859 + ... + 1390862.

It is an arithmetic number, because the mean of its divisors is an integer number (748904940).

Almost surely, 2^11100431442 is an apocalyptic number.

11100431442 is an abundant number, since it is smaller than the sum of its proper divisors (12864526638).

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

11100431442 is a wasteful number, since it uses less digits than its factorization.

11100431442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773778.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11100431442 its reverse (24413400111), we get a palindrome (35513831553).

The spelling of 11100431442 in words is "eleven billion, one hundred million, four hundred thirty-one thousand, four hundred forty-two".