105261042589 has 8 divisors (see below), whose sum is σ = 108557081600. Its totient is φ = 102003554016.

The previous prime is 105261042583. The next prime is 105261042599. The reversal of 105261042589 is 985240162501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105261042589 - 2²⁹ = 104724171677 is a prime.

It is a super-2 number, since 2×105261042589² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105261042583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9632064 + ... + 9642985.

It is an arithmetic number, because the mean of its divisors is an integer number (13569635200).

Almost surely, 2^105261042589 is an apocalyptic number.

It is an amenable number.

105261042589 is a deficient number, since it is larger than the sum of its proper divisors (3296039011).

105261042589 is a wasteful number, since it uses less digits than its factorization.

105261042589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19275219.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 105261042589 in words is "one hundred five billion, two hundred sixty-one million, forty-two thousand, five hundred eighty-nine".