511565265151 has 2 divisors, whose sum is σ = 511565265152. Its totient is φ = 511565265150.

The previous prime is 511565265119. The next prime is 511565265181. The reversal of 511565265151 is 151562565115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 511565265151 - 2⁵ = 511565265119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 511565265098 and 511565265107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (511565265181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255782632575 + 255782632576.

It is an arithmetic number, because the mean of its divisors is an integer number (255782632576).

Almost surely, 2^511565265151 is an apocalyptic number.

511565265151 is a deficient number, since it is larger than the sum of its proper divisors (1).

511565265151 is an equidigital number, since it uses as much as digits as its factorization.

511565265151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225000, while the sum is 43.

The spelling of 511565265151 in words is "five hundred eleven billion, five hundred sixty-five million, two hundred sixty-five thousand, one hundred fifty-one".