11558638475387 has 8 divisors (see below), whose sum is σ = 11652964210176. Its totient is φ = 11464364503872.

The previous prime is 11558638475383. The next prime is 11558638475393. The reversal of 11558638475387 is 78357483685511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11558638475387 - 2² = 11558638475383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11558638475387.

It is not an unprimeable number, because it can be changed into a prime (11558638475383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12492338 + ... + 13385655.

It is an arithmetic number, because the mean of its divisors is an integer number (1456620526272).

Almost surely, 2^{11558638475387} is an apocalyptic number.

11558638475387 is a deficient number, since it is larger than the sum of its proper divisors (94325734789).

11558638475387 is a wasteful number, since it uses less digits than its factorization.

11558638475387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25881637.

The product of its digits is 677376000, while the sum is 71.

The spelling of 11558638475387 in words is "eleven trillion, five hundred fifty-eight billion, six hundred thirty-eight million, four hundred seventy-five thousand, three hundred eighty-seven".