11243018061 has 24 divisors (see below), whose sum is σ = 18195094944. Its totient is φ = 6629787360.

The previous prime is 11243018047. The next prime is 11243018063. The reversal of 11243018061 is 16081034211.

It is a happy number.

It is not a de Polignac number, because 11243018061 - 2⁶ = 11243017997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243018063) 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, 1531011 + ... + 1538336.

It is an arithmetic number, because the mean of its divisors is an integer number (758128956).

Almost surely, 2^11243018061 is an apocalyptic number.

11243018061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11243018061 is a deficient number, since it is larger than the sum of its proper divisors (6952076883).

11243018061 is a wasteful number, since it uses less digits than its factorization.

11243018061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3069401 (or 3069398 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 11243018061 in words is "eleven billion, two hundred forty-three million, eighteen thousand, sixty-one".