115511773001 has 2 divisors, whose sum is σ = 115511773002. Its totient is φ = 115511773000.

The previous prime is 115511772991. The next prime is 115511773049. The reversal of 115511773001 is 100377115511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114274422025 + 1237350976 = 338045^2 + 35176^2 .

It is a cyclic number.

It is not a de Polignac number, because 115511773001 - 2³⁰ = 114438031177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (115511770001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57755886500 + 57755886501.

It is an arithmetic number, because the mean of its divisors is an integer number (57755886501).

Almost surely, 2^115511773001 is an apocalyptic number.

It is an amenable number.

115511773001 is a deficient number, since it is larger than the sum of its proper divisors (1).

115511773001 is an equidigital number, since it uses as much as digits as its factorization.

115511773001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 32.

Adding to 115511773001 its reverse (100377115511), we get a palindrome (215888888512).

The spelling of 115511773001 in words is "one hundred fifteen billion, five hundred eleven million, seven hundred seventy-three thousand, one".