11740115081 has 2 divisors, whose sum is σ = 11740115082. Its totient is φ = 11740115080.

The previous prime is 11740115053. The next prime is 11740115087. The reversal of 11740115081 is 18051104711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10380349456 + 1359765625 = 101884^2 + 36875^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11740115081 is a prime.

It is a super-2 number, since 2×11740115081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11740115087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5870057540 + 5870057541.

It is an arithmetic number, because the mean of its divisors is an integer number (5870057541).

Almost surely, 2^11740115081 is an apocalyptic number.

It is an amenable number.

11740115081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11740115081 is an equidigital number, since it uses as much as digits as its factorization.

11740115081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 29.

Adding to 11740115081 its reverse (18051104711), we get a palindrome (29791219792).

The spelling of 11740115081 in words is "eleven billion, seven hundred forty million, one hundred fifteen thousand, eighty-one".