511554611413 has 2 divisors, whose sum is σ = 511554611414. Its totient is φ = 511554611412.

The previous prime is 511554611411. The next prime is 511554611459. The reversal of 511554611413 is 314116455115.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 354022620004 + 157531991409 = 594998^2 + 396903^2 .

It is a cyclic number.

It is not a de Polignac number, because 511554611413 - 2¹ = 511554611411 is a prime.

Together with 511554611411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511554611411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255777305706 + 255777305707.

It is an arithmetic number, because the mean of its divisors is an integer number (255777305707).

Almost surely, 2^511554611413 is an apocalyptic number.

It is an amenable number.

511554611413 is a deficient number, since it is larger than the sum of its proper divisors (1).

511554611413 is an equidigital number, since it uses as much as digits as its factorization.

511554611413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36000, while the sum is 37.

The spelling of 511554611413 in words is "five hundred eleven billion, five hundred fifty-four million, six hundred eleven thousand, four hundred thirteen".