11139843563 has 8 divisors (see below), whose sum is σ = 11250220800. Its totient is φ = 11029509288.

The previous prime is 11139843511. The next prime is 11139843571. The reversal of 11139843563 is 36534893111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11139843563 - 2⁸ = 11139843307 is a prime.

It is a super-2 number, since 2×11139843563² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11139843503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839978 + ... + 853136.

It is an arithmetic number, because the mean of its divisors is an integer number (1406277600).

Almost surely, 2^11139843563 is an apocalyptic number.

11139843563 is a deficient number, since it is larger than the sum of its proper divisors (110377237).

11139843563 is a wasteful number, since it uses less digits than its factorization.

11139843563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21481.

The product of its digits is 233280, while the sum is 44.

The spelling of 11139843563 in words is "eleven billion, one hundred thirty-nine million, eight hundred forty-three thousand, five hundred sixty-three".