11142404394 has 32 divisors (see below), whose sum is σ = 24327241920. Its totient is φ = 3374188800.

The previous prime is 11142404393. The next prime is 11142404411. The reversal of 11142404394 is 49340424111.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (11142404393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41584 + ... + 154964.

It is an arithmetic number, because the mean of its divisors is an integer number (760226310).

Almost surely, 2^11142404394 is an apocalyptic number.

11142404394 is an abundant number, since it is smaller than the sum of its proper divisors (13184837526).

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

11142404394 is a wasteful number, since it uses less digits than its factorization.

11142404394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114886.

The product of its (nonzero) digits is 13824, while the sum is 33.

The spelling of 11142404394 in words is "eleven billion, one hundred forty-two million, four hundred four thousand, three hundred ninety-four".