11331121001147 has 2 divisors, whose sum is σ = 11331121001148. Its totient is φ = 11331121001146.

The previous prime is 11331121001069. The next prime is 11331121001171. The reversal of 11331121001147 is 74110012113311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11331121001147 - 2²² = 11331116806843 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331121001747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665560500573 + 5665560500574.

It is an arithmetic number, because the mean of its divisors is an integer number (5665560500574).

Almost surely, 2^{11331121001147} is an apocalyptic number.

11331121001147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331121001147 is an equidigital number, since it uses as much as digits as its factorization.

11331121001147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 11331121001147 its reverse (74110012113311), we get a palindrome (85441133114458).

The spelling of 11331121001147 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, one thousand, one hundred forty-seven".