511016064655 has 16 divisors (see below), whose sum is σ = 628247235168. Its totient is φ = 398796480000.

The previous prime is 511016064649. The next prime is 511016064659. The reversal of 511016064655 is 556460610115.

It is not a de Polignac number, because 511016064655 - 2⁵ = 511016064623 is a prime.

It is a super-2 number, since 2×511016064655² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511016064659) 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, 1726555 + ... + 2000755.

It is an arithmetic number, because the mean of its divisors is an integer number (39265452198).

Almost surely, 2^511016064655 is an apocalyptic number.

511016064655 is a deficient number, since it is larger than the sum of its proper divisors (117231170513).

511016064655 is a wasteful number, since it uses less digits than its factorization.

511016064655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283338.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 511016064655 in words is "five hundred eleven billion, sixteen million, sixty-four thousand, six hundred fifty-five".