511254653552213 has 16 divisors (see below), whose sum is σ = 531493753209216. Its totient is φ = 491355670777920.

The previous prime is 511254653552177. The next prime is 511254653552267. The reversal of 511254653552213 is 312255356452115.

It is a cyclic number.

It is not a de Polignac number, because 511254653552213 - 2²⁸ = 511254385116757 is a prime.

It is a super-2 number, since 2×511254653552213² (a number of 30 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 (511254653552813) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2224520 + ... + 32053982.

It is an arithmetic number, because the mean of its divisors is an integer number (33218359575576).

Almost surely, 2^{511254653552213} is an apocalyptic number.

It is an amenable number.

511254653552213 is a deficient number, since it is larger than the sum of its proper divisors (20239099657003).

511254653552213 is a wasteful number, since it uses less digits than its factorization.

511254653552213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29835164.

The product of its digits is 5400000, while the sum is 50.

The spelling of 511254653552213 in words is "five hundred eleven trillion, two hundred fifty-four billion, six hundred fifty-three million, five hundred fifty-two thousand, two hundred thirteen".