1011000000511 has 8 divisors (see below), whose sum is σ = 1031081562000. Its totient is φ = 991016638080.

The previous prime is 1011000000499. The next prime is 1011000000553. The reversal of 1011000000511 is 1150000001101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011000000511 - 2³¹ = 1008852516863 is a prime.

It is a super-2 number, since 2×1011000000511² (a number of 25 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 (1011000000611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24528970 + ... + 24570151.

It is an arithmetic number, because the mean of its divisors is an integer number (128885195250).

Almost surely, 2^{1011000000511} is an apocalyptic number.

1011000000511 is a deficient number, since it is larger than the sum of its proper divisors (20081561489).

1011000000511 is an equidigital number, since it uses as much as digits as its factorization.

1011000000511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49099529.

The product of its (nonzero) digits is 5, while the sum is 10.

Adding to 1011000000511 its reverse (1150000001101), we get a palindrome (2161000001612).

The spelling of 1011000000511 in words is "one trillion, eleven billion, five hundred eleven", and thus it is an aban number.