105488815 has 16 divisors (see below), whose sum is σ = 133145856. Its totient is φ = 80121600.

The previous prime is 105488809. The next prime is 105488843. The reversal of 105488815 is 518884501.

It is not a de Polignac number, because 105488815 - 2³ = 105488807 is a prime.

It is a super-2 number, since 2×105488815² = 22255780180208450, which 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, 1795 + ... + 14635.

It is an arithmetic number, because the mean of its divisors is an integer number (8321616).

Almost surely, 2^105488815 is an apocalyptic number.

105488815 is a deficient number, since it is larger than the sum of its proper divisors (27657041).

105488815 is a wasteful number, since it uses less digits than its factorization.

105488815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12930.

The product of its (nonzero) digits is 51200, while the sum is 40.

The square root of 105488815 is about 10270.7748003741. The cubic root of 105488815 is about 472.5003536666.

The spelling of 105488815 in words is "one hundred five million, four hundred eighty-eight thousand, eight hundred fifteen".