11388117573 has 48 divisors (see below), whose sum is σ = 20157396480. Its totient is φ = 6047129088.

The previous prime is 11388117569. The next prime is 11388117583. The reversal of 11388117573 is 37571188311.

It is not a de Polignac number, because 11388117573 - 2² = 11388117569 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11388117523) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17311 + ... + 151907.

It is an arithmetic number, because the mean of its divisors is an integer number (419945760).

Almost surely, 2^11388117573 is an apocalyptic number.

It is an amenable number.

11388117573 is a deficient number, since it is larger than the sum of its proper divisors (8769278907).

11388117573 is a wasteful number, since it uses less digits than its factorization.

11388117573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134706 (or 134703 counting only the distinct ones).

The product of its digits is 141120, while the sum is 45.

The spelling of 11388117573 in words is "eleven billion, three hundred eighty-eight million, one hundred seventeen thousand, five hundred seventy-three".