511105061057 has 2 divisors, whose sum is σ = 511105061058. Its totient is φ = 511105061056.

The previous prime is 511105061039. The next prime is 511105061069. The reversal of 511105061057 is 750160501115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 272808780721 + 238296280336 = 522311^2 + 488156^2 .

It is a cyclic number.

It is not a de Polignac number, because 511105061057 - 2²⁰ = 511104012481 is a prime.

It is a super-2 number, since 2×511105061057² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (511105051057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255552530528 + 255552530529.

It is an arithmetic number, because the mean of its divisors is an integer number (255552530529).

Almost surely, 2^511105061057 is an apocalyptic number.

It is an amenable number.

511105061057 is a deficient number, since it is larger than the sum of its proper divisors (1).

511105061057 is an equidigital number, since it uses as much as digits as its factorization.

511105061057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 32.

The spelling of 511105061057 in words is "five hundred eleven billion, one hundred five million, sixty-one thousand, fifty-seven".