511016216245 has 8 divisors (see below), whose sum is σ = 613507503960. Its totient is φ = 408620943360.

The previous prime is 511016216237. The next prime is 511016216267. The reversal of 511016216245 is 542612610115.

It can be written as a sum of positive squares in 4 ways, for example, as 39137895889 + 471878320356 = 197833^2 + 686934^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 511016216245 - 2³ = 511016216237 is a prime.

It is a super-2 number, since 2×511016216245² (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 511016216245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23991996 + ... + 24013285.

It is an arithmetic number, because the mean of its divisors is an integer number (76688437995).

Almost surely, 2^511016216245 is an apocalyptic number.

It is an amenable number.

511016216245 is a deficient number, since it is larger than the sum of its proper divisors (102491287715).

511016216245 is a wasteful number, since it uses less digits than its factorization.

511016216245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48007415.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 511016216245 in words is "five hundred eleven billion, sixteen million, two hundred sixteen thousand, two hundred forty-five".