3611236331201 has 2 divisors, whose sum is σ = 3611236331202. Its totient is φ = 3611236331200.

The previous prime is 3611236331191. The next prime is 3611236331239. The reversal of 3611236331201 is 1021336321163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3533651799601 + 77584531600 = 1879801^2 + 278540^2 .

It is a cyclic number.

It is not a de Polignac number, because 3611236331201 - 2¹⁴ = 3611236314817 is a prime.

It is a super-2 number, since 2×3611236331201² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3611236331281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805618165600 + 1805618165601.

It is an arithmetic number, because the mean of its divisors is an integer number (1805618165601).

Almost surely, 2^{3611236331201} is an apocalyptic number.

It is an amenable number.

3611236331201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3611236331201 is an equidigital number, since it uses as much as digits as its factorization.

3611236331201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 3611236331201 in words is "three trillion, six hundred eleven billion, two hundred thirty-six million, three hundred thirty-one thousand, two hundred one".