11388117575 has 24 divisors (see below), whose sum is σ = 14187946080. Its totient is φ = 9067593600.

The previous prime is 11388117569. The next prime is 11388117583. The reversal of 11388117575 is 57571188311.

It is not a de Polignac number, because 11388117575 - 2¹² = 11388113479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5611661 + ... + 5613689.

It is an arithmetic number, because the mean of its divisors is an integer number (591164420).

Almost surely, 2^11388117575 is an apocalyptic number.

11388117575 is a deficient number, since it is larger than the sum of its proper divisors (2799828505).

11388117575 is a wasteful number, since it uses less digits than its factorization.

11388117575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2982 counting only the distinct ones).

The product of its digits is 235200, while the sum is 47.

The spelling of 11388117575 in words is "eleven billion, three hundred eighty-eight million, one hundred seventeen thousand, five hundred seventy-five".