105245226421105 has 16 divisors (see below), whose sum is σ = 127992768906960. Its totient is φ = 83067989824512.

The previous prime is 105245226421091. The next prime is 105245226421163. The reversal of 105245226421105 is 501124622542501.

It can be written as a sum of positive squares in 8 ways, for example, as 13753246680369 + 91491979740736 = 3708537^2 + 9565144^2 .

It is a cyclic number.

It is not a de Polignac number, because 105245226421105 - 2²³ = 105245218032497 is a prime.

It is a super-2 number, since 2×105245226421105² (a number of 29 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, 258556074 + ... + 258962803.

It is an arithmetic number, because the mean of its divisors is an integer number (7999548056685).

Almost surely, 2^{105245226421105} is an apocalyptic number.

It is an amenable number.

105245226421105 is a deficient number, since it is larger than the sum of its proper divisors (22747542485855).

105245226421105 is an equidigital number, since it uses as much as digits as its factorization.

105245226421105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517519428.

The product of its (nonzero) digits is 192000, while the sum is 40.

Adding to 105245226421105 its reverse (501124622542501), we get a palindrome (606369848963606).

The spelling of 105245226421105 in words is "one hundred five trillion, two hundred forty-five billion, two hundred twenty-six million, four hundred twenty-one thousand, one hundred five".