105505244878 has 16 divisors (see below), whose sum is σ = 176659946496. Its totient is φ = 46841651640.

The previous prime is 105505244869. The next prime is 105505244879. The reversal of 105505244878 is 878442505501.

It is a super-2 number, since 2×105505244878² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105505244879) 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, 55762926 + ... + 55764817.

It is an arithmetic number, because the mean of its divisors is an integer number (11041246656).

Almost surely, 2^105505244878 is an apocalyptic number.

105505244878 is a deficient number, since it is larger than the sum of its proper divisors (71154701618).

105505244878 is a wasteful number, since it uses less digits than its factorization.

105505244878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111527799.

The product of its (nonzero) digits is 1792000, while the sum is 49.

The spelling of 105505244878 in words is "one hundred five billion, five hundred five million, two hundred forty-four thousand, eight hundred seventy-eight".