105510550501 has 4 divisors (see below), whose sum is σ = 108083978604. Its totient is φ = 102937122400.

The previous prime is 105510550487. The next prime is 105510550513. The reversal of 105510550501 is 105055015501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 22514702401 + 82995848100 = 150049^2 + 288090^2 .

It is a cyclic number.

It is not a de Polignac number, because 105510550501 - 2²⁷ = 105376332773 is a prime.

It is a super-2 number, since 2×105510550501² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105510550501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105510550571) 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, 1286713990 + ... + 1286714071.

It is an arithmetic number, because the mean of its divisors is an integer number (27020994651).

Almost surely, 2^105510550501 is an apocalyptic number.

It is an amenable number.

105510550501 is a deficient number, since it is larger than the sum of its proper divisors (2573428103).

105510550501 is an equidigital number, since it uses as much as digits as its factorization.

105510550501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2573428102.

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 105510550501 in words is "one hundred five billion, five hundred ten million, five hundred fifty thousand, five hundred one".