11111020983 has 12 divisors (see below), whose sum is σ = 16119957048. Its totient is φ = 7374714480.

The previous prime is 11111020981. The next prime is 11111020993. The reversal of 11111020983 is 38902011111.

It is not a de Polignac number, because 11111020983 - 2¹ = 11111020981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111020981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2717248 + ... + 2721333.

It is an arithmetic number, because the mean of its divisors is an integer number (1343329754).

Almost surely, 2^11111020983 is an apocalyptic number.

11111020983 is a deficient number, since it is larger than the sum of its proper divisors (5008936065).

11111020983 is a wasteful number, since it uses less digits than its factorization.

11111020983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438814 (or 5438811 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The spelling of 11111020983 in words is "eleven billion, one hundred eleven million, twenty thousand, nine hundred eighty-three".