11587801734487 has 4 divisors (see below), whose sum is σ = 12641238255816. Its totient is φ = 10534365213160.

The previous prime is 11587801734473. The next prime is 11587801734493. The reversal of 11587801734487 is 78443710878511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11587801734487 - 2⁴³ = 2791708712279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11587801734787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526718260648 + ... + 526718260669.

It is an arithmetic number, because the mean of its divisors is an integer number (3160309563954).

Almost surely, 2^{11587801734487} is an apocalyptic number.

11587801734487 is a deficient number, since it is larger than the sum of its proper divisors (1053436521329).

11587801734487 is a wasteful number, since it uses less digits than its factorization.

11587801734487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053436521328.

The product of its (nonzero) digits is 42147840, while the sum is 64.

The spelling of 11587801734487 in words is "eleven trillion, five hundred eighty-seven billion, eight hundred one million, seven hundred thirty-four thousand, four hundred eighty-seven".