11630421130421 has 2 divisors, whose sum is σ = 11630421130422. Its totient is φ = 11630421130420.

The previous prime is 11630421130411. The next prime is 11630421130469. The reversal of 11630421130421 is 12403112403611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8761682880196 + 2868738250225 = 2960014^2 + 1693735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11630421130421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11630421130411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815210565210 + 5815210565211.

It is an arithmetic number, because the mean of its divisors is an integer number (5815210565211).

Almost surely, 2^{11630421130421} is an apocalyptic number.

It is an amenable number.

11630421130421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11630421130421 is an equidigital number, since it uses as much as digits as its factorization.

11630421130421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 11630421130421 in words is "eleven trillion, six hundred thirty billion, four hundred twenty-one million, one hundred thirty thousand, four hundred twenty-one".