11500904394 has 40 divisors (see below), whose sum is σ = 29452054368. Its totient is φ = 3285972360.

The previous prime is 11500904351. The next prime is 11500904407. The reversal of 11500904394 is 49340900511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5069812 + ... + 5072079.

Almost surely, 2^11500904394 is an apocalyptic number.

11500904394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11500904394 is an abundant number, since it is smaller than the sum of its proper divisors (17951149974).

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

11500904394 is a wasteful number, since it uses less digits than its factorization.

11500904394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141912 (or 10141903 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The spelling of 11500904394 in words is "eleven billion, five hundred million, nine hundred four thousand, three hundred ninety-four".