11362585645721 has 16 divisors (see below), whose sum is σ = 12077342798400. Its totient is φ = 10660000204800.

The previous prime is 11362585645709. The next prime is 11362585645739. The reversal of 11362585645721 is 12754658526311.

It is a cyclic number.

It is not a de Polignac number, because 11362585645721 - 2¹⁸ = 11362585383577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11362585645921) 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, 6111800 + ... + 7751081.

It is an arithmetic number, because the mean of its divisors is an integer number (754833924900).

Almost surely, 2^{11362585645721} is an apocalyptic number.

It is an amenable number.

11362585645721 is a deficient number, since it is larger than the sum of its proper divisors (714757152679).

11362585645721 is a wasteful number, since it uses less digits than its factorization.

11362585645721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863320.

The product of its digits is 12096000, while the sum is 56.

The spelling of 11362585645721 in words is "eleven trillion, three hundred sixty-two billion, five hundred eighty-five million, six hundred forty-five thousand, seven hundred twenty-one".