11515600055259 has 12 divisors (see below), whose sum is σ = 16692420657016. Its totient is φ = 7649939257632.

The previous prime is 11515600055243. The next prime is 11515600055287. The reversal of 11515600055259 is 95255000651511.

11515600055259 is a `hidden beast` number, since 1 + 1 + 5 + 15 + 600 + 0 + 5 + 5 + 25 + 9 = 666.

It is not a de Polignac number, because 11515600055259 - 2⁴ = 11515600055243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11515600055359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2260617802 + ... + 2260622895.

Almost surely, 2^{11515600055259} is an apocalyptic number.

11515600055259 is a deficient number, since it is larger than the sum of its proper divisors (5176820601757).

11515600055259 is a wasteful number, since it uses less digits than its factorization.

11515600055259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521240986 (or 4521240983 counting only the distinct ones).

The product of its (nonzero) digits is 337500, while the sum is 45.

The spelling of 11515600055259 in words is "eleven trillion, five hundred fifteen billion, six hundred million, fifty-five thousand, two hundred fifty-nine".