11630588648221 has 4 divisors (see below), whose sum is σ = 11630679674944. Its totient is φ = 11630497621500.

The previous prime is 11630588648213. The next prime is 11630588648233. The reversal of 11630588648221 is 12284688503611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11630588648221 - 2³ = 11630588648213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11630588648251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45321435 + ... + 45577336.

It is an arithmetic number, because the mean of its divisors is an integer number (2907669918736).

Almost surely, 2^{11630588648221} is an apocalyptic number.

It is an amenable number.

11630588648221 is a deficient number, since it is larger than the sum of its proper divisors (91026723).

11630588648221 is an equidigital number, since it uses as much as digits as its factorization.

11630588648221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91026722.

The product of its (nonzero) digits is 4423680, while the sum is 55.

The spelling of 11630588648221 in words is "eleven trillion, six hundred thirty billion, five hundred eighty-eight million, six hundred forty-eight thousand, two hundred twenty-one".