11311601201 has 2 divisors, whose sum is σ = 11311601202. Its totient is φ = 11311601200.

The previous prime is 11311601173. The next prime is 11311601221. The reversal of 11311601201 is 10210611311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9259058176 + 2052543025 = 96224^2 + 45305^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311601201 - 2¹⁸ = 11311339057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11311601201.

It is not a weakly prime, because it can be changed into another prime (11311601221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655800600 + 5655800601.

It is an arithmetic number, because the mean of its divisors is an integer number (5655800601).

Almost surely, 2^11311601201 is an apocalyptic number.

It is an amenable number.

11311601201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311601201 is an equidigital number, since it uses as much as digits as its factorization.

11311601201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 11311601201 in words is "eleven billion, three hundred eleven million, six hundred one thousand, two hundred one".