11086611811 has 24 divisors (see below), whose sum is σ = 12639362400. Its totient is φ = 9705696000.

The previous prime is 11086611773. The next prime is 11086611839. The reversal of 11086611811 is 11811668011.

It is not a de Polignac number, because 11086611811 - 2⁹ = 11086611299 is a prime.

It is a super-2 number, since 2×11086611811² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11086611311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1403170 + ... + 1411048.

It is an arithmetic number, because the mean of its divisors is an integer number (526640100).

Almost surely, 2^11086611811 is an apocalyptic number.

11086611811 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11086611811 is a deficient number, since it is larger than the sum of its proper divisors (1552750589).

11086611811 is a wasteful number, since it uses less digits than its factorization.

11086611811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8331 (or 8320 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 34.

The spelling of 11086611811 in words is "eleven billion, eighty-six million, six hundred eleven thousand, eight hundred eleven".