105521510459 has 2 divisors, whose sum is σ = 105521510460. Its totient is φ = 105521510458.

The previous prime is 105521510317. The next prime is 105521510473. The reversal of 105521510459 is 954015125501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105521510459 is a prime.

It is a super-2 number, since 2×105521510459² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105521510489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52760755229 + 52760755230.

It is an arithmetic number, because the mean of its divisors is an integer number (52760755230).

Almost surely, 2^105521510459 is an apocalyptic number.

105521510459 is a deficient number, since it is larger than the sum of its proper divisors (1).

105521510459 is an equidigital number, since it uses as much as digits as its factorization.

105521510459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45000, while the sum is 38.

The spelling of 105521510459 in words is "one hundred five billion, five hundred twenty-one million, five hundred ten thousand, four hundred fifty-nine".