105485415261 has 24 divisors (see below), whose sum is σ = 147499965792. Its totient is φ = 67039236000.

The previous prime is 105485415247. The next prime is 105485415307. The reversal of 105485415261 is 162514584501.

It is not a de Polignac number, because 105485415261 - 2¹¹ = 105485413213 is a prime.

It is a super-2 number, since 2×105485415261² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105485415241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79890 + ... + 466211.

It is an arithmetic number, because the mean of its divisors is an integer number (6145831908).

Almost surely, 2^105485415261 is an apocalyptic number.

It is an amenable number.

105485415261 is a deficient number, since it is larger than the sum of its proper divisors (42014550531).

105485415261 is an equidigital number, since it uses as much as digits as its factorization.

105485415261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546233 (or 546202 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

Adding to 105485415261 its reverse (162514584501), we get a palindrome (267999999762).

The spelling of 105485415261 in words is "one hundred five billion, four hundred eighty-five million, four hundred fifteen thousand, two hundred sixty-one".