11459691838 has 24 divisors (see below), whose sum is σ = 20153463552. Its totient is φ = 4872619584.

The previous prime is 11459691827. The next prime is 11459691847. The reversal of 11459691838 is 83819695411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 447931 + ... + 472822.

It is an arithmetic number, because the mean of its divisors is an integer number (839727648).

Almost surely, 2^11459691838 is an apocalyptic number.

11459691838 is a deficient number, since it is larger than the sum of its proper divisors (8693771714).

11459691838 is a wasteful number, since it uses less digits than its factorization.

11459691838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920896 (or 920889 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 55.

The spelling of 11459691838 in words is "eleven billion, four hundred fifty-nine million, six hundred ninety-one thousand, eight hundred thirty-eight".