11537161289 has 2 divisors, whose sum is σ = 11537161290. Its totient is φ = 11537161288.

The previous prime is 11537161241. The next prime is 11537161291. The reversal of 11537161289 is 98216173511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10268376889 + 1268784400 = 101333^2 + 35620^2 .

It is a cyclic number.

It is not a de Polignac number, because 11537161289 - 2⁸ = 11537161033 is a prime.

Together with 11537161291, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11537181289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768580644 + 5768580645.

It is an arithmetic number, because the mean of its divisors is an integer number (5768580645).

Almost surely, 2^11537161289 is an apocalyptic number.

It is an amenable number.

11537161289 is a deficient number, since it is larger than the sum of its proper divisors (1).

11537161289 is an equidigital number, since it uses as much as digits as its factorization.

11537161289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The spelling of 11537161289 in words is "eleven billion, five hundred thirty-seven million, one hundred sixty-one thousand, two hundred eighty-nine".