105225140505 has 16 divisors (see below), whose sum is σ = 168368296320. Its totient is φ = 56117384448.

The previous prime is 105225140497. The next prime is 105225140521. The reversal of 105225140505 is 505041522501.

It is not a de Polignac number, because 105225140505 - 2³ = 105225140497 is a prime.

It is a super-2 number, since 2×105225140505² (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 15 ways as a sum of consecutive naturals, for example, 178161 + ... + 492129.

It is an arithmetic number, because the mean of its divisors is an integer number (10523018520).

Almost surely, 2^105225140505 is an apocalyptic number.

105225140505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105225140505 is a deficient number, since it is larger than the sum of its proper divisors (63143155815).

105225140505 is a wasteful number, since it uses less digits than its factorization.

105225140505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336320.

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 105225140505 in words is "one hundred five billion, two hundred twenty-five million, one hundred forty thousand, five hundred five".