105534212113 has 16 divisors (see below), whose sum is σ = 118872230400. Its totient is φ = 92821766400.

The previous prime is 105534212107. The next prime is 105534212131. The reversal of 105534212113 is 311212435501.

It is a de Polignac number, because none of the positive numbers 2^k-105534212113 is a prime.

It is a super-2 number, since 2×105534212113² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105534212513) 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, 1380313 + ... + 1454761.

It is an arithmetic number, because the mean of its divisors is an integer number (7429514400).

Almost surely, 2^105534212113 is an apocalyptic number.

It is an amenable number.

105534212113 is a deficient number, since it is larger than the sum of its proper divisors (13338018287).

105534212113 is a wasteful number, since it uses less digits than its factorization.

105534212113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78648.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 105534212113 its reverse (311212435501), we get a palindrome (416746647614).

The spelling of 105534212113 in words is "one hundred five billion, five hundred thirty-four million, two hundred twelve thousand, one hundred thirteen".