11311530404 has 12 divisors (see below), whose sum is σ = 20090629104. Its totient is φ = 5571350664.

The previous prime is 11311530401. The next prime is 11311530427. The reversal of 11311530404 is 40403511311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11311530404.

It is not an unprimeable number, because it can be changed into a prime (11311530401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21103334 + ... + 21103869.

It is an arithmetic number, because the mean of its divisors is an integer number (1674219092).

Almost surely, 2^11311530404 is an apocalyptic number.

It is an amenable number.

11311530404 is a deficient number, since it is larger than the sum of its proper divisors (8779098700).

11311530404 is a wasteful number, since it uses less digits than its factorization.

11311530404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42207274 (or 42207272 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 11311530404 in words is "eleven billion, three hundred eleven million, five hundred thirty thousand, four hundred four".