11616959573 has 2 divisors, whose sum is σ = 11616959574. Its totient is φ = 11616959572.

The previous prime is 11616959509. The next prime is 11616959603. The reversal of 11616959573 is 37595961611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11616959524 + 49 = 107782^2 + 7^2 .

It is a cyclic number.

It is not a de Polignac number, because 11616959573 - 2⁶ = 11616959509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11616959773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808479786 + 5808479787.

It is an arithmetic number, because the mean of its divisors is an integer number (5808479787).

Almost surely, 2^11616959573 is an apocalyptic number.

It is an amenable number.

11616959573 is a deficient number, since it is larger than the sum of its proper divisors (1).

11616959573 is an equidigital number, since it uses as much as digits as its factorization.

11616959573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 53.

The spelling of 11616959573 in words is "eleven billion, six hundred sixteen million, nine hundred fifty-nine thousand, five hundred seventy-three".