511348710956 has 12 divisors (see below), whose sum is σ = 894881629992. Its totient is φ = 255668245248.

The previous prime is 511348710953. The next prime is 511348710989. The reversal of 511348710956 is 659017843115.

It is a super-2 number, since 2×511348710956² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511348710953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1336610 + ... + 1676073.

It is an arithmetic number, because the mean of its divisors is an integer number (74573469166).

Almost surely, 2^511348710956 is an apocalyptic number.

It is an amenable number.

511348710956 is a deficient number, since it is larger than the sum of its proper divisors (383532919036).

511348710956 is a wasteful number, since it uses less digits than its factorization.

511348710956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055120 (or 3055118 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 511348710956 in words is "five hundred eleven billion, three hundred forty-eight million, seven hundred ten thousand, nine hundred fifty-six".