1010511011011 has 4 divisors (see below), whose sum is σ = 1011019574152. Its totient is φ = 1010002447872.

The previous prime is 1010511010987. The next prime is 1010511011063. The reversal of 1010511011011 is 1101101150101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1010511011011 - 2⁵ = 1010511010979 is a prime.

It is a super-2 number, since 2×1010511011011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010511010982 and 1010511011000.

It is not an unprimeable number, because it can be changed into a prime (1010511011611) 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, 254278590 + ... + 254282563.

It is an arithmetic number, because the mean of its divisors is an integer number (252754893538).

Almost surely, 2^{1010511011011} is an apocalyptic number.

1010511011011 is a deficient number, since it is larger than the sum of its proper divisors (508563141).

1010511011011 is an equidigital number, since it uses as much as digits as its factorization.

1010511011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508563140.

The product of its (nonzero) digits is 5, while the sum is 13.

Adding to 1010511011011 its reverse (1101101150101), we get a palindrome (2111612161112).

The spelling of 1010511011011 in words is "one trillion, ten billion, five hundred eleven million, eleven thousand, eleven".