511416523265 has 4 divisors (see below), whose sum is σ = 613699827924. Its totient is φ = 409133218608.

The previous prime is 511416523259. The next prime is 511416523273. The reversal of 511416523265 is 562325614115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562325614115 = 5 ⋅112465122823.

It can be written as a sum of positive squares in 2 ways, for example, as 55044667456 + 456371855809 = 234616^2 + 675553^2 .

It is a cyclic number.

It is not a de Polignac number, because 511416523265 - 2²⁴ = 511399746049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51141652322 + ... + 51141652331.

It is an arithmetic number, because the mean of its divisors is an integer number (153424956981).

Almost surely, 2^511416523265 is an apocalyptic number.

It is an amenable number.

511416523265 is a deficient number, since it is larger than the sum of its proper divisors (102283304659).

511416523265 is a wasteful number, since it uses less digits than its factorization.

511416523265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102283304658.

The product of its digits is 216000, while the sum is 41.

The spelling of 511416523265 in words is "five hundred eleven billion, four hundred sixteen million, five hundred twenty-three thousand, two hundred sixty-five".