511206426534 has 16 divisors (see below), whose sum is σ = 1026800893872. Its totient is φ = 169670802048.

The previous prime is 511206426517. The next prime is 511206426541. The reversal of 511206426534 is 435624602115.

It is a super-2 number, since 2×511206426534² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511206426492 and 511206426501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182833519 + ... + 182836314.

It is an arithmetic number, because the mean of its divisors is an integer number (64175055867).

Almost surely, 2^511206426534 is an apocalyptic number.

511206426534 is an abundant number, since it is smaller than the sum of its proper divisors (515594467338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511206426534 is a wasteful number, since it uses less digits than its factorization.

511206426534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365670071.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 511206426534 in words is "five hundred eleven billion, two hundred six million, four hundred twenty-six thousand, five hundred thirty-four".