11111055006 has 16 divisors (see below), whose sum is σ = 22230892800. Its totient is φ = 3702221208.

The previous prime is 11111054987. The next prime is 11111055089. The reversal of 11111055006 is 60055011111.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349446 + ... + 379913.

It is an arithmetic number, because the mean of its divisors is an integer number (1389430800).

Almost surely, 2^11111055006 is an apocalyptic number.

11111055006 is an abundant number, since it is smaller than the sum of its proper divisors (11119837794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111055006 is a wasteful number, since it uses less digits than its factorization.

11111055006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731903.

The product of its (nonzero) digits is 150, while the sum is 21.

Adding to 11111055006 its reverse (60055011111), we get a palindrome (71166066117).

It can be divided in two parts, 1111105 and 5006, that added together give a palindrome (1116111).

The spelling of 11111055006 in words is "eleven billion, one hundred eleven million, fifty-five thousand, six".