11306532605721 has 16 divisors (see below), whose sum is σ = 15871354363200. Its totient is φ = 7139826459648.

The previous prime is 11306532605707. The next prime is 11306532605747. The reversal of 11306532605721 is 12750623560311.

It is not a de Polignac number, because 11306532605721 - 2¹⁴ = 11306532589337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11306532605701) 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, 15494416 + ... + 16207713.

It is an arithmetic number, because the mean of its divisors is an integer number (991959647700).

Almost surely, 2^{11306532605721} is an apocalyptic number.

It is an amenable number.

11306532605721 is a deficient number, since it is larger than the sum of its proper divisors (4564821757479).

11306532605721 is a wasteful number, since it uses less digits than its factorization.

11306532605721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31708408.

The product of its (nonzero) digits is 226800, while the sum is 42.

The spelling of 11306532605721 in words is "eleven trillion, three hundred six billion, five hundred thirty-two million, six hundred five thousand, seven hundred twenty-one".