511132545349 has 4 divisors (see below), whose sum is σ = 512318468160. Its totient is φ = 509946622540.

The previous prime is 511132545229. The next prime is 511132545359. The reversal of 511132545349 is 943545231115.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 511132545349 - 2⁹ = 511132544837 is a prime.

It is a super-2 number, since 2×511132545349² (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 (511132545359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592960759 + ... + 592961620.

It is an arithmetic number, because the mean of its divisors is an integer number (128079617040).

Almost surely, 2^511132545349 is an apocalyptic number.

It is an amenable number.

511132545349 is a deficient number, since it is larger than the sum of its proper divisors (1185922811).

511132545349 is a wasteful number, since it uses less digits than its factorization.

511132545349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185922810.

The product of its digits is 324000, while the sum is 43.

The spelling of 511132545349 in words is "five hundred eleven billion, one hundred thirty-two million, five hundred forty-five thousand, three hundred forty-nine".