11330958138 has 16 divisors (see below), whose sum is σ = 22776953760. Its totient is φ = 3757813136.

The previous prime is 11330958131. The next prime is 11330958157. The reversal of 11330958138 is 83185903311.

It is a super-2 number, since 2×11330958138² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11330958138.

It is not an unprimeable number, because it can be changed into a prime (11330958131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4791948 + ... + 4794311.

It is an arithmetic number, because the mean of its divisors is an integer number (1423559610).

Almost surely, 2^11330958138 is an apocalyptic number.

11330958138 is an abundant number, since it is smaller than the sum of its proper divisors (11445995622).

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

11330958138 is a wasteful number, since it uses less digits than its factorization.

11330958138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9586461.

The product of its (nonzero) digits is 77760, while the sum is 42.

The spelling of 11330958138 in words is "eleven billion, three hundred thirty million, nine hundred fifty-eight thousand, one hundred thirty-eight".