11111106055001 has 4 divisors (see below), whose sum is σ = 11111114160000. Its totient is φ = 11111097950004.

The previous prime is 11111106054943. The next prime is 11111106055067. The reversal of 11111106055001 is 10055060111111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11111106055001 is a prime.

It is a super-2 number, since 2×11111106055001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111106055801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430801 + ... + 4926398.

It is an arithmetic number, because the mean of its divisors is an integer number (2777778540000).

Almost surely, 2^{11111106055001} is an apocalyptic number.

It is an amenable number.

11111106055001 is a deficient number, since it is larger than the sum of its proper divisors (8104999).

11111106055001 is an equidigital number, since it uses as much as digits as its factorization.

11111106055001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8104998.

The product of its (nonzero) digits is 150, while the sum is 23.

Adding to 11111106055001 its reverse (10055060111111), we get a palindrome (21166166166112).

The spelling of 11111106055001 in words is "eleven trillion, one hundred eleven billion, one hundred six million, fifty-five thousand, one".