115501940761 has 2 divisors, whose sum is σ = 115501940762. Its totient is φ = 115501940760.

The previous prime is 115501940639. The next prime is 115501940789. The reversal of 115501940761 is 167049105511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87183782361 + 28318158400 = 295269^2 + 168280^2 .

It is an emirp because it is prime and its reverse (167049105511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115501940761 - 2⁹ = 115501940249 is a prime.

It is not a weakly prime, because it can be changed into another prime (115501941761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57750970380 + 57750970381.

It is an arithmetic number, because the mean of its divisors is an integer number (57750970381).

Almost surely, 2^115501940761 is an apocalyptic number.

It is an amenable number.

115501940761 is a deficient number, since it is larger than the sum of its proper divisors (1).

115501940761 is an equidigital number, since it uses as much as digits as its factorization.

115501940761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 40.

The spelling of 115501940761 in words is "one hundred fifteen billion, five hundred one million, nine hundred forty thousand, seven hundred sixty-one".