11650128013 has 2 divisors, whose sum is σ = 11650128014. Its totient is φ = 11650128012.

The previous prime is 11650128001. The next prime is 11650128143. The reversal of 11650128013 is 31082105611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6108516649 + 5541611364 = 78157^2 + 74442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11650128013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11650198013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5825064006 + 5825064007.

It is an arithmetic number, because the mean of its divisors is an integer number (5825064007).

Almost surely, 2^11650128013 is an apocalyptic number.

It is an amenable number.

11650128013 is a deficient number, since it is larger than the sum of its proper divisors (1).

11650128013 is an equidigital number, since it uses as much as digits as its factorization.

11650128013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The spelling of 11650128013 in words is "eleven billion, six hundred fifty million, one hundred twenty-eight thousand, thirteen".