513553152127 has 2 divisors, whose sum is σ = 513553152128. Its totient is φ = 513553152126.

The previous prime is 513553152061. The next prime is 513553152157. The reversal of 513553152127 is 721251355315.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513553152127 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 513553152127.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513553152157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256776576063 + 256776576064.

It is an arithmetic number, because the mean of its divisors is an integer number (256776576064).

Almost surely, 2^513553152127 is an apocalyptic number.

513553152127 is a deficient number, since it is larger than the sum of its proper divisors (1).

513553152127 is an equidigital number, since it uses as much as digits as its factorization.

513553152127 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157500, while the sum is 40.

The spelling of 513553152127 in words is "five hundred thirteen billion, five hundred fifty-three million, one hundred fifty-two thousand, one hundred twenty-seven".