11545233331 has 2 divisors, whose sum is σ = 11545233332. Its totient is φ = 11545233330.

The previous prime is 11545233269. The next prime is 11545233353. The reversal of 11545233331 is 13333254511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11545233331 - 2²¹ = 11543136179 is a prime.

It is a super-2 number, since 2×11545233331² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11545233293 and 11545233302.

It is not a weakly prime, because it can be changed into another prime (11545233031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5772616665 + 5772616666.

It is an arithmetic number, because the mean of its divisors is an integer number (5772616666).

Almost surely, 2^11545233331 is an apocalyptic number.

11545233331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11545233331 is an equidigital number, since it uses as much as digits as its factorization.

11545233331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 31.

Adding to 11545233331 its reverse (13333254511), we get a palindrome (24878487842).

The spelling of 11545233331 in words is "eleven billion, five hundred forty-five million, two hundred thirty-three thousand, three hundred thirty-one".