511013321255 has 8 divisors (see below), whose sum is σ = 614052573792. Its totient is φ = 408252931488.

The previous prime is 511013321239. The next prime is 511013321303. The reversal of 511013321255 is 552123310115.

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

It is a cyclic number.

It is not a de Polignac number, because 511013321255 - 2⁴ = 511013321239 is a prime.

It is a super-2 number, since 2×511013321255² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69711659 + ... + 69718988.

It is an arithmetic number, because the mean of its divisors is an integer number (76756571724).

Almost surely, 2^511013321255 is an apocalyptic number.

511013321255 is a deficient number, since it is larger than the sum of its proper divisors (103039252537).

511013321255 is a wasteful number, since it uses less digits than its factorization.

511013321255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139431385.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 511013321255 in words is "five hundred eleven billion, thirteen million, three hundred twenty-one thousand, two hundred fifty-five".