11572611073 has 2 divisors, whose sum is σ = 11572611074. Its totient is φ = 11572611072.

The previous prime is 11572611047. The next prime is 11572611079. The reversal of 11572611073 is 37011627511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11368464129 + 204146944 = 106623^2 + 14288^2 .

It is an emirp because it is prime and its reverse (37011627511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11572611073 - 2²⁹ = 11035740161 is a prime.

It is a super-2 number, since 2×11572611073² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11572611079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786305536 + 5786305537.

It is an arithmetic number, because the mean of its divisors is an integer number (5786305537).

Almost surely, 2^11572611073 is an apocalyptic number.

It is an amenable number.

11572611073 is a deficient number, since it is larger than the sum of its proper divisors (1).

11572611073 is an equidigital number, since it uses as much as digits as its factorization.

11572611073 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 11572611073 in words is "eleven billion, five hundred seventy-two million, six hundred eleven thousand, seventy-three".