105564051339 has 4 divisors (see below), whose sum is σ = 140752068456. Its totient is φ = 70376034224.

The previous prime is 105564051337. The next prime is 105564051347. The reversal of 105564051339 is 933150465501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105564051339 - 2¹ = 105564051337 is a prime.

It is a super-2 number, since 2×105564051339² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105564051339.

It is not an unprimeable number, because it can be changed into a prime (105564051337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17594008554 + ... + 17594008559.

It is an arithmetic number, because the mean of its divisors is an integer number (35188017114).

Almost surely, 2^105564051339 is an apocalyptic number.

105564051339 is a deficient number, since it is larger than the sum of its proper divisors (35188017117).

105564051339 is an equidigital number, since it uses as much as digits as its factorization.

105564051339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35188017116.

The product of its (nonzero) digits is 243000, while the sum is 42.

The spelling of 105564051339 in words is "one hundred five billion, five hundred sixty-four million, fifty-one thousand, three hundred thirty-nine".