105020045455 has 16 divisors (see below), whose sum is σ = 137743863264. Its totient is φ = 76395749760.

The previous prime is 105020045441. The next prime is 105020045519. The reversal of 105020045455 is 554540020501.

It is not a de Polignac number, because 105020045455 - 2⁷ = 105020045327 is a prime.

It is a super-2 number, since 2×105020045455² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12053056 + ... + 12061765.

It is an arithmetic number, because the mean of its divisors is an integer number (8608991454).

Almost surely, 2^105020045455 is an apocalyptic number.

105020045455 is a deficient number, since it is larger than the sum of its proper divisors (32723817809).

105020045455 is a wasteful number, since it uses less digits than its factorization.

105020045455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24114906.

The product of its (nonzero) digits is 20000, while the sum is 31.

Adding to 105020045455 its reverse (554540020501), we get a palindrome (659560065956).

The spelling of 105020045455 in words is "one hundred five billion, twenty million, forty-five thousand, four hundred fifty-five".