105450231205 has 32 divisors (see below), whose sum is σ = 138549782016. Its totient is φ = 76410600000.

The previous prime is 105450231197. The next prime is 105450231217. The reversal of 105450231205 is 502132054501.

It is not a de Polignac number, because 105450231205 - 2³ = 105450231197 is a prime.

It is a super-2 number, since 2×105450231205² (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 31 ways as a sum of consecutive naturals, for example, 18657630 + ... + 18663280.

It is an arithmetic number, because the mean of its divisors is an integer number (4329680688).

Almost surely, 2^105450231205 is an apocalyptic number.

It is an amenable number.

105450231205 is a deficient number, since it is larger than the sum of its proper divisors (33099550811).

105450231205 is a wasteful number, since it uses less digits than its factorization.

105450231205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 105450231205 its reverse (502132054501), we get a palindrome (607582285706).

The spelling of 105450231205 in words is "one hundred five billion, four hundred fifty million, two hundred thirty-one thousand, two hundred five".