11011031045 has 16 divisors (see below), whose sum is σ = 15166796160. Its totient is φ = 7517444544.

The previous prime is 11011031041. The next prime is 11011031047. The reversal of 11011031045 is 54013011011.

It is a cyclic number.

It is not a de Polignac number, because 11011031045 - 2² = 11011031041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011031041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678887 + ... + 694916.

It is an arithmetic number, because the mean of its divisors is an integer number (947924760).

Almost surely, 2^11011031045 is an apocalyptic number.

It is an amenable number.

11011031045 is a deficient number, since it is larger than the sum of its proper divisors (4155765115).

11011031045 is a wasteful number, since it uses less digits than its factorization.

11011031045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374044.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11011031045 its reverse (54013011011), we get a palindrome (65024042056).

The spelling of 11011031045 in words is "eleven billion, eleven million, thirty-one thousand, forty-five".