11110561011 has 24 divisors (see below), whose sum is σ = 18429003840. Its totient is φ = 6379268400.

The previous prime is 11110561009. The next prime is 11110561051. The reversal of 11110561011 is 11016501111.

It is a happy number.

It is not a de Polignac number, because 11110561011 - 2¹ = 11110561009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11110561051) 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, 2951485 + ... + 2955246.

It is an arithmetic number, because the mean of its divisors is an integer number (767875160).

Almost surely, 2^11110561011 is an apocalyptic number.

11110561011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11110561011 is a deficient number, since it is larger than the sum of its proper divisors (7318442829).

11110561011 is a wasteful number, since it uses less digits than its factorization.

11110561011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5906767 (or 5906764 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

The spelling of 11110561011 in words is "eleven billion, one hundred ten million, five hundred sixty-one thousand, eleven".