105315812273 has 4 divisors (see below), whose sum is σ = 120360928320. Its totient is φ = 90270696228.

The previous prime is 105315812263. The next prime is 105315812279. The reversal of 105315812273 is 372218513501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 105315812273 - 2²⁸ = 105047376817 is a prime.

It is a super-2 number, since 2×105315812273² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105315812279) 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, 7522558013 + ... + 7522558026.

It is an arithmetic number, because the mean of its divisors is an integer number (30090232080).

Almost surely, 2^105315812273 is an apocalyptic number.

It is an amenable number.

105315812273 is a deficient number, since it is larger than the sum of its proper divisors (15045116047).

105315812273 is an equidigital number, since it uses as much as digits as its factorization.

105315812273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15045116046.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 105315812273 in words is "one hundred five billion, three hundred fifteen million, eight hundred twelve thousand, two hundred seventy-three".