11388538358 has 16 divisors (see below), whose sum is σ = 17573195760. Its totient is φ = 5531309856.

The previous prime is 11388538339. The next prime is 11388538373. The reversal of 11388538358 is 85383588311.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80168 + ... + 170891.

It is an arithmetic number, because the mean of its divisors is an integer number (1098324735).

Almost surely, 2^11388538358 is an apocalyptic number.

11388538358 is a deficient number, since it is larger than the sum of its proper divisors (6184657402).

11388538358 is a wasteful number, since it uses less digits than its factorization.

11388538358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251711.

The product of its digits is 2764800, while the sum is 53.

The spelling of 11388538358 in words is "eleven billion, three hundred eighty-eight million, five hundred thirty-eight thousand, three hundred fifty-eight".