511011055000 has 40 divisors (see below), whose sum is σ = 1197298913580. Its totient is φ = 204404420000.

The previous prime is 511011054937. The next prime is 511011055003. The reversal of 511011055000 is 550110115.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×511011055000² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511011055003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 51096106 + ... + 51106105.

Almost surely, 2^511011055000 is an apocalyptic number.

511011055000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

511011055000 is an abundant number, since it is smaller than the sum of its proper divisors (686287858580).

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

511011055000 is a wasteful number, since it uses less digits than its factorization.

511011055000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102202237 (or 102202218 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 511011055000 its reverse (550110115), we get a palindrome (511561165115).

The spelling of 511011055000 in words is "five hundred eleven billion, eleven million, fifty-five thousand".