11111110332001 has 4 divisors (see below), whose sum is σ = 11133739885104. Its totient is φ = 11088480778900.

The previous prime is 11111110331969. The next prime is 11111110332011. The reversal of 11111110332001 is 10023301111111.

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.

It is a cyclic number.

It is not a de Polignac number, because 11111110332001 - 2⁵ = 11111110331969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111110332011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11314775815 + ... + 11314776796.

It is an arithmetic number, because the mean of its divisors is an integer number (2783434971276).

Almost surely, 2^{11111110332001} is an apocalyptic number.

It is an amenable number.

11111110332001 is a deficient number, since it is larger than the sum of its proper divisors (22629553103).

11111110332001 is an equidigital number, since it uses as much as digits as its factorization.

11111110332001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22629553102.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 11111110332001 its reverse (10023301111111), we get a palindrome (21134411443112).

The spelling of 11111110332001 in words is "eleven trillion, one hundred eleven billion, one hundred ten million, three hundred thirty-two thousand, one".