11001345331 has 2 divisors, whose sum is σ = 11001345332. Its totient is φ = 11001345330.

The previous prime is 11001345283. The next prime is 11001345361. The reversal of 11001345331 is 13354310011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11001345331 - 2¹⁹ = 11000821043 is a prime.

It is a super-2 number, since 2×11001345331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11001345361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500672665 + 5500672666.

It is an arithmetic number, because the mean of its divisors is an integer number (5500672666).

Almost surely, 2^11001345331 is an apocalyptic number.

11001345331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001345331 is an equidigital number, since it uses as much as digits as its factorization.

11001345331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

Adding to 11001345331 its reverse (13354310011), we get a palindrome (24355655342).

It can be divided in two parts, 1100 and 1345331, that added together give a palindrome (1346431).

The spelling of 11001345331 in words is "eleven billion, one million, three hundred forty-five thousand, three hundred thirty-one".