11630620061 has 2 divisors, whose sum is σ = 11630620062. Its totient is φ = 11630620060.

The previous prime is 11630620031. The next prime is 11630620093. The reversal of 11630620061 is 16002603611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11254027225 + 376592836 = 106085^2 + 19406^2 .

It is a cyclic number.

It is not a de Polignac number, because 11630620061 - 2³⁰ = 10556878237 is a prime.

It is a super-3 number, since 3×11630620061³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11630620061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11630620031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815310030 + 5815310031.

It is an arithmetic number, because the mean of its divisors is an integer number (5815310031).

Almost surely, 2^11630620061 is an apocalyptic number.

It is an amenable number.

11630620061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11630620061 is an equidigital number, since it uses as much as digits as its factorization.

11630620061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 11630620061 in words is "eleven billion, six hundred thirty million, six hundred twenty thousand, sixty-one".