11140495481 has 2 divisors, whose sum is σ = 11140495482. Its totient is φ = 11140495480.

The previous prime is 11140495459. The next prime is 11140495547. The reversal of 11140495481 is 18459404111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5950733881 + 5189761600 = 77141^2 + 72040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11140495481 is a prime.

It is a super-2 number, since 2×11140495481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11140425481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570247740 + 5570247741.

It is an arithmetic number, because the mean of its divisors is an integer number (5570247741).

Almost surely, 2^11140495481 is an apocalyptic number.

It is an amenable number.

11140495481 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140495481 is an equidigital number, since it uses as much as digits as its factorization.

11140495481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 38.

Adding to 11140495481 its reverse (18459404111), we get a palindrome (29599899592).

The spelling of 11140495481 in words is "eleven billion, one hundred forty million, four hundred ninety-five thousand, four hundred eighty-one".