11139430038 has 32 divisors (see below), whose sum is σ = 24334369920. Its totient is φ = 3371396160.

The previous prime is 11139430019. The next prime is 11139430039. The reversal of 11139430038 is 83003493111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11139429990 and 11139430008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11139430039) 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, 50920 + ... + 157707.

It is an arithmetic number, because the mean of its divisors is an integer number (760449060).

Almost surely, 2^11139430038 is an apocalyptic number.

11139430038 is an abundant number, since it is smaller than the sum of its proper divisors (13194939882).

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

11139430038 is a wasteful number, since it uses less digits than its factorization.

11139430038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209452.

The product of its (nonzero) digits is 7776, while the sum is 33.

The spelling of 11139430038 in words is "eleven billion, one hundred thirty-nine million, four hundred thirty thousand, thirty-eight".