11677564573 has 2 divisors, whose sum is σ = 11677564574. Its totient is φ = 11677564572.

The previous prime is 11677564553. The next prime is 11677564583. The reversal of 11677564573 is 37546577611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9565426809 + 2112137764 = 97803^2 + 45958^2 .

It is a cyclic number.

It is not a de Polignac number, because 11677564573 - 2⁵ = 11677564541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11677564573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11677564523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5838782286 + 5838782287.

It is an arithmetic number, because the mean of its divisors is an integer number (5838782287).

Almost surely, 2^11677564573 is an apocalyptic number.

It is an amenable number.

11677564573 is a deficient number, since it is larger than the sum of its proper divisors (1).

11677564573 is an equidigital number, since it uses as much as digits as its factorization.

11677564573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3704400, while the sum is 52.

The spelling of 11677564573 in words is "eleven billion, six hundred seventy-seven million, five hundred sixty-four thousand, five hundred seventy-three".