105453403015 has 4 divisors (see below), whose sum is σ = 126544083624. Its totient is φ = 84362722408.

The previous prime is 105453403009. The next prime is 105453403043. The reversal of 105453403015 is 510304354501.

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

It is a cyclic number.

It is not a de Polignac number, because 105453403015 - 2³ = 105453403007 is a prime.

It is a super-2 number, since 2×105453403015² (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 3 ways as a sum of consecutive naturals, for example, 10545340297 + ... + 10545340306.

It is an arithmetic number, because the mean of its divisors is an integer number (31636020906).

Almost surely, 2^105453403015 is an apocalyptic number.

105453403015 is a deficient number, since it is larger than the sum of its proper divisors (21090680609).

105453403015 is an equidigital number, since it uses as much as digits as its factorization.

105453403015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21090680608.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 105453403015 its reverse (510304354501), we get a palindrome (615757757516).

The spelling of 105453403015 in words is "one hundred five billion, four hundred fifty-three million, four hundred three thousand, fifteen".