511314770040667 has 4 divisors (see below), whose sum is σ = 512105055620976. Its totient is φ = 510524484460360.

The previous prime is 511314770040563. The next prime is 511314770040689. The reversal of 511314770040667 is 766040077413115.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511314770040667 is a prime.

It is a super-2 number, since 2×511314770040667² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511314770043667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395142789184 + ... + 395142790477.

It is an arithmetic number, because the mean of its divisors is an integer number (128026263905244).

Almost surely, 2^{511314770040667} is an apocalyptic number.

511314770040667 is a deficient number, since it is larger than the sum of its proper divisors (790285580309).

511314770040667 is an equidigital number, since it uses as much as digits as its factorization.

511314770040667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790285580308.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 511314770040667 in words is "five hundred eleven trillion, three hundred fourteen billion, seven hundred seventy million, forty thousand, six hundred sixty-seven".