11139675450 has 96 divisors (see below), whose sum is σ = 28181529600. Its totient is φ = 2911446720.

The previous prime is 11139675383. The next prime is 11139675451. The reversal of 11139675450 is 5457693111.

It is not an unprimeable number, because it can be changed into a prime (11139675451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1643769 + ... + 1650531.

It is an arithmetic number, because the mean of its divisors is an integer number (293557600).

Almost surely, 2^11139675450 is an apocalyptic number.

11139675450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11139675450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14090764800).

11139675450 is an abundant number, since it is smaller than the sum of its proper divisors (17041854150).

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

11139675450 is a wasteful number, since it uses less digits than its factorization.

11139675450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996 (or 6991 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 11139675450 in words is "eleven billion, one hundred thirty-nine million, six hundred seventy-five thousand, four hundred fifty".