14561915105 has 4 divisors (see below), whose sum is σ = 17474298132. Its totient is φ = 11649532080.

The previous prime is 14561915083. The next prime is 14561915111. The reversal of 14561915105 is 50151916541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11405385616 + 3156529489 = 106796^2 + 56183^2 .

It is not a de Polignac number, because 14561915105 - 2²⁴ = 14545137889 is a prime.

It is a super-2 number, since 2×14561915105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1456191506 + ... + 1456191515.

It is an arithmetic number, because the mean of its divisors is an integer number (4368574533).

Almost surely, 2^14561915105 is an apocalyptic number.

It is an amenable number.

14561915105 is a deficient number, since it is larger than the sum of its proper divisors (2912383027).

14561915105 is an equidigital number, since it uses as much as digits as its factorization.

14561915105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912383026.

The product of its (nonzero) digits is 27000, while the sum is 38.

The spelling of 14561915105 in words is "fourteen billion, five hundred sixty-one million, nine hundred fifteen thousand, one hundred five".