11722616011 has 16 divisors (see below), whose sum is σ = 12551261184. Its totient is φ = 10921990464.

The previous prime is 11722615979. The next prime is 11722616021. The reversal of 11722616011 is 11061622711.

It is not a de Polignac number, because 11722616011 - 2⁵ = 11722615979 is a prime.

It is a super-2 number, since 2×11722616011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11722616021) 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, 346815 + ... + 379111.

It is an arithmetic number, because the mean of its divisors is an integer number (784453824).

Almost surely, 2^11722616011 is an apocalyptic number.

11722616011 is a deficient number, since it is larger than the sum of its proper divisors (828645173).

11722616011 is a wasteful number, since it uses less digits than its factorization.

11722616011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32730.

The product of its (nonzero) digits is 1008, while the sum is 28.

The spelling of 11722616011 in words is "eleven billion, seven hundred twenty-two million, six hundred sixteen thousand, eleven".