11630564743661 has 16 divisors (see below), whose sum is σ = 11931169091520. Its totient is φ = 11330773534080.

The previous prime is 11630564743657. The next prime is 11630564743667. The reversal of 11630564743661 is 16634746503611.

It is a cyclic number.

It is not a de Polignac number, because 11630564743661 - 2² = 11630564743657 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 (11630564743667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144111026 + ... + 144191708.

It is an arithmetic number, because the mean of its divisors is an integer number (745698068220).

Almost surely, 2^{11630564743661} is an apocalyptic number.

It is an amenable number.

11630564743661 is a deficient number, since it is larger than the sum of its proper divisors (300604347859).

11630564743661 is an equidigital number, since it uses as much as digits as its factorization.

11630564743661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85676.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 11630564743661 in words is "eleven trillion, six hundred thirty billion, five hundred sixty-four million, seven hundred forty-three thousand, six hundred sixty-one".