11142899904 has 112 divisors (see below), whose sum is σ = 32035374080. Its totient is φ = 3405265920.

The previous prime is 11142899899. The next prime is 11142900011. The reversal of 11142899904 is 40999824111.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 63822 + ... + 162354.

Almost surely, 2^11142899904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11142899904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16017687040).

11142899904 is an abundant number, since it is smaller than the sum of its proper divisors (20892474176).

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

11142899904 is a wasteful number, since it uses less digits than its factorization.

11142899904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98598 (or 98588 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 48.

The spelling of 11142899904 in words is "eleven billion, one hundred forty-two million, eight hundred ninety-nine thousand, nine hundred four".