511327340161 has 16 divisors (see below), whose sum is σ = 594247589568. Its totient is φ = 434815257600.

The previous prime is 511327340141. The next prime is 511327340177. The reversal of 511327340161 is 161043723115.

It is a cyclic number.

It is not a de Polignac number, because 511327340161 - 2¹⁷ = 511327209089 is a prime.

It is a super-2 number, since 2×511327340161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511327340141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8357160 + ... + 8418121.

It is an arithmetic number, because the mean of its divisors is an integer number (37140474348).

Almost surely, 2^511327340161 is an apocalyptic number.

It is an amenable number.

511327340161 is a deficient number, since it is larger than the sum of its proper divisors (82920249407).

511327340161 is a wasteful number, since it uses less digits than its factorization.

511327340161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16775472.

The product of its (nonzero) digits is 15120, while the sum is 34.

The spelling of 511327340161 in words is "five hundred eleven billion, three hundred twenty-seven million, three hundred forty thousand, one hundred sixty-one".