11630742521 has 2 divisors, whose sum is σ = 11630742522. Its totient is φ = 11630742520.

The previous prime is 11630742503. The next prime is 11630742577. The reversal of 11630742521 is 12524703611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11521016896 + 109725625 = 107336^2 + 10475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11630742521 is a prime.

It is not a weakly prime, because it can be changed into another prime (11630702521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5815371260 + 5815371261.

It is an arithmetic number, because the mean of its divisors is an integer number (5815371261).

Almost surely, 2^11630742521 is an apocalyptic number.

It is an amenable number.

11630742521 is a deficient number, since it is larger than the sum of its proper divisors (1).

11630742521 is an equidigital number, since it uses as much as digits as its factorization.

11630742521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 11630742521 in words is "eleven billion, six hundred thirty million, seven hundred forty-two thousand, five hundred twenty-one".