11138347599 has 16 divisors (see below), whose sum is σ = 15644870400. Its totient is φ = 7029300096.

The previous prime is 11138347481. The next prime is 11138347601. The reversal of 11138347599 is 99574383111.

It is a de Polignac number, because none of the positive numbers 2^k-11138347599 is a prime.

It is a super-2 number, since 2×11138347599² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11138342599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 714 + ... + 149255.

It is an arithmetic number, because the mean of its divisors is an integer number (977804400).

Almost surely, 2^11138347599 is an apocalyptic number.

11138347599 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11138347599 is a deficient number, since it is larger than the sum of its proper divisors (4506522801).

11138347599 is a wasteful number, since it uses less digits than its factorization.

11138347599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151294.

The product of its digits is 816480, while the sum is 51.

The spelling of 11138347599 in words is "eleven billion, one hundred thirty-eight million, three hundred forty-seven thousand, five hundred ninety-nine".