11609087957 has 2 divisors, whose sum is σ = 11609087958. Its totient is φ = 11609087956.

The previous prime is 11609087947. The next prime is 11609088017. The reversal of 11609087957 is 75978090611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10146331441 + 1462756516 = 100729^2 + 38246^2 .

It is a cyclic number.

It is not a de Polignac number, because 11609087957 - 2¹² = 11609083861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11609087899 and 11609087908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11609087947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5804543978 + 5804543979.

It is an arithmetic number, because the mean of its divisors is an integer number (5804543979).

Almost surely, 2^11609087957 is an apocalyptic number.

It is an amenable number.

11609087957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11609087957 is an equidigital number, since it uses as much as digits as its factorization.

11609087957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 952560, while the sum is 53.

The spelling of 11609087957 in words is "eleven billion, six hundred nine million, eighty-seven thousand, nine hundred fifty-seven".