11731234573 has 2 divisors, whose sum is σ = 11731234574. Its totient is φ = 11731234572.

The previous prime is 11731234553. The next prime is 11731234577. The reversal of 11731234573 is 37543213711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7137377289 + 4593857284 = 84483^2 + 67778^2 .

It is a cyclic number.

It is not a de Polignac number, because 11731234573 - 2⁹ = 11731234061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11731234577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5865617286 + 5865617287.

It is an arithmetic number, because the mean of its divisors is an integer number (5865617287).

Almost surely, 2^11731234573 is an apocalyptic number.

It is an amenable number.

11731234573 is a deficient number, since it is larger than the sum of its proper divisors (1).

11731234573 is an equidigital number, since it uses as much as digits as its factorization.

11731234573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52920, while the sum is 37.

The spelling of 11731234573 in words is "eleven billion, seven hundred thirty-one million, two hundred thirty-four thousand, five hundred seventy-three".