105536623511 has 4 divisors (see below), whose sum is σ = 115130862024. Its totient is φ = 95942385000.

The previous prime is 105536623471. The next prime is 105536623523. The reversal of 105536623511 is 115326635501.

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

It is not a de Polignac number, because 105536623511 - 2⁶ = 105536623447 is a prime.

It is a super-2 number, since 2×105536623511² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105536623571) 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, 4797119240 + ... + 4797119261.

It is an arithmetic number, because the mean of its divisors is an integer number (28782715506).

Almost surely, 2^105536623511 is an apocalyptic number.

105536623511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105536623511 is a deficient number, since it is larger than the sum of its proper divisors (9594238513).

105536623511 is an equidigital number, since it uses as much as digits as its factorization.

105536623511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9594238512.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 105536623511 in words is "one hundred five billion, five hundred thirty-six million, six hundred twenty-three thousand, five hundred eleven".