514144526561 has 4 divisors (see below), whose sum is σ = 514146330624. Its totient is φ = 514142722500.

The previous prime is 514144526557. The next prime is 514144526593. The reversal of 514144526561 is 165625441415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 514144526561 - 2² = 514144526557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (514144522561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369905 + ... + 1079406.

It is an arithmetic number, because the mean of its divisors is an integer number (128536582656).

Almost surely, 2^514144526561 is an apocalyptic number.

It is an amenable number.

514144526561 is a deficient number, since it is larger than the sum of its proper divisors (1804063).

514144526561 is a wasteful number, since it uses less digits than its factorization.

514144526561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804062.

The product of its digits is 576000, while the sum is 44.

Adding to 514144526561 its reverse (165625441415), we get a palindrome (679769967976).

The spelling of 514144526561 in words is "five hundred fourteen billion, one hundred forty-four million, five hundred twenty-six thousand, five hundred sixty-one".