11562711073 has 2 divisors, whose sum is σ = 11562711074. Its totient is φ = 11562711072.

The previous prime is 11562711071. The next prime is 11562711089. The reversal of 11562711073 is 37011726511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10697351184 + 865359889 = 103428^2 + 29417^2 .

It is a cyclic number.

It is not a de Polignac number, because 11562711073 - 2¹ = 11562711071 is a prime.

It is a super-2 number, since 2×11562711073² (a number of 21 digits) contains 22 as substring.

Together with 11562711071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11562711071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5781355536 + 5781355537.

It is an arithmetic number, because the mean of its divisors is an integer number (5781355537).

Almost surely, 2^11562711073 is an apocalyptic number.

It is an amenable number.

11562711073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11562711073 is an equidigital number, since it uses as much as digits as its factorization.

11562711073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 34.

The spelling of 11562711073 in words is "eleven billion, five hundred sixty-two million, seven hundred eleven thousand, seventy-three".