11462040581 has 2 divisors, whose sum is σ = 11462040582. Its totient is φ = 11462040580.

The previous prime is 11462040563. The next prime is 11462040587. The reversal of 11462040581 is 18504026411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10630641025 + 831399556 = 103105^2 + 28834^2 .

It is a cyclic number.

It is not a de Polignac number, because 11462040581 - 2⁶ = 11462040517 is a prime.

It is a super-2 number, since 2×11462040581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11462040587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5731020290 + 5731020291.

It is an arithmetic number, because the mean of its divisors is an integer number (5731020291).

Almost surely, 2^11462040581 is an apocalyptic number.

It is an amenable number.

11462040581 is a deficient number, since it is larger than the sum of its proper divisors (1).

11462040581 is an equidigital number, since it uses as much as digits as its factorization.

11462040581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 11462040581 its reverse (18504026411), we get a palindrome (29966066992).

The spelling of 11462040581 in words is "eleven billion, four hundred sixty-two million, forty thousand, five hundred eighty-one".