11558472507 has 6 divisors (see below), whose sum is σ = 16695571412. Its totient is φ = 7705648332.

The previous prime is 11558472503. The next prime is 11558472529. The reversal of 11558472507 is 70527485511.

11558472507 is a `hidden beast` number, since 1 + 1 + 558 + 47 + 2 + 50 + 7 = 666.

11558472507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11558472507 - 2² = 11558472503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11558472503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 642137353 + ... + 642137370.

Almost surely, 2^11558472507 is an apocalyptic number.

11558472507 is a deficient number, since it is larger than the sum of its proper divisors (5137098905).

11558472507 is a wasteful number, since it uses less digits than its factorization.

11558472507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284274729 (or 1284274726 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The spelling of 11558472507 in words is "eleven billion, five hundred fifty-eight million, four hundred seventy-two thousand, five hundred seven".