511011020000 has 120 divisors (see below), whose sum is σ = 1353869354376. Its totient is φ = 188680896000.

The previous prime is 511011019999. The next prime is 511011020021. The reversal of 511011020000 is 20110115.

It is a super-2 number, since 2×511011020000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 722714 + ... + 1242713.

Almost surely, 2^511011020000 is an apocalyptic number.

511011020000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

511011020000 is an abundant number, since it is smaller than the sum of its proper divisors (842858334376).

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

511011020000 is a wasteful number, since it uses less digits than its factorization.

511011020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965470 (or 1965447 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

Adding to 511011020000 its reverse (20110115), we get a palindrome (511031130115).

The spelling of 511011020000 in words is "five hundred eleven billion, eleven million, twenty thousand".