511035545947 has 2 divisors, whose sum is σ = 511035545948. Its totient is φ = 511035545946.

The previous prime is 511035545929. The next prime is 511035546013. The reversal of 511035545947 is 749545530115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511035545947 - 2⁷ = 511035545819 is a prime.

It is a super-2 number, since 2×511035545947² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511035545947.

It is not a weakly prime, because it can be changed into another prime (511035545927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255517772973 + 255517772974.

It is an arithmetic number, because the mean of its divisors is an integer number (255517772974).

Almost surely, 2^511035545947 is an apocalyptic number.

511035545947 is a deficient number, since it is larger than the sum of its proper divisors (1).

511035545947 is an equidigital number, since it uses as much as digits as its factorization.

511035545947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 511035545947 in words is "five hundred eleven billion, thirty-five million, five hundred forty-five thousand, nine hundred forty-seven".