105216315506 has 8 divisors (see below), whose sum is σ = 157998483120. Its totient is φ = 52550154468.

The previous prime is 105216315487. The next prime is 105216315521. The reversal of 105216315506 is 605513612501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105216315506² (a number of 23 digits) contains 22 as substring.

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, 28999376 + ... + 29003003.

It is an arithmetic number, because the mean of its divisors is an integer number (19749810390).

Almost surely, 2^105216315506 is an apocalyptic number.

105216315506 is a deficient number, since it is larger than the sum of its proper divisors (52782167614).

105216315506 is an equidigital number, since it uses as much as digits as its factorization.

105216315506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58003288.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 105216315506 in words is "one hundred five billion, two hundred sixteen million, three hundred fifteen thousand, five hundred six".