105726415999 has 2 divisors, whose sum is σ = 105726416000. Its totient is φ = 105726415998.

The previous prime is 105726415981. The next prime is 105726416053. The reversal of 105726415999 is 999514627501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105726415999 - 2¹¹ = 105726413951 is a prime.

It is a super-2 number, since 2×105726415999² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105726415979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52863207999 + 52863208000.

It is an arithmetic number, because the mean of its divisors is an integer number (52863208000).

Almost surely, 2^105726415999 is an apocalyptic number.

105726415999 is a deficient number, since it is larger than the sum of its proper divisors (1).

105726415999 is an equidigital number, since it uses as much as digits as its factorization.

105726415999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 105726415999 in words is "one hundred five billion, seven hundred twenty-six million, four hundred fifteen thousand, nine hundred ninety-nine".