105553342065 has 16 divisors (see below), whose sum is σ = 170434756800. Its totient is φ = 55778645952.

The previous prime is 105553342061. The next prime is 105553342163. The reversal of 105553342065 is 560243355501.

It is not a de Polignac number, because 105553342065 - 2² = 105553342061 is a prime.

It is a super-2 number, since 2×105553342065² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105553342061) 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, 32277675 + ... + 32280944.

It is an arithmetic number, because the mean of its divisors is an integer number (10652172300).

Almost surely, 2^105553342065 is an apocalyptic number.

105553342065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105553342065 is a deficient number, since it is larger than the sum of its proper divisors (64881414735).

105553342065 is a wasteful number, since it uses less digits than its factorization.

105553342065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64558736.

The product of its (nonzero) digits is 270000, while the sum is 39.

Adding to 105553342065 its reverse (560243355501), we get a palindrome (665796697566).

The spelling of 105553342065 in words is "one hundred five billion, five hundred fifty-three million, three hundred forty-two thousand, sixty-five".