11604251331487 has 4 divisors (see below), whose sum is σ = 11604275998816. Its totient is φ = 11604226664160.

The previous prime is 11604251331481. The next prime is 11604251331509. The reversal of 11604251331487 is 78413315240611.

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 11604251331487 - 2¹⁹ = 11604250807199 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 (11604251331481) 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, 11614023 + ... + 12573544.

It is an arithmetic number, because the mean of its divisors is an integer number (2901068999704).

Almost surely, 2^{11604251331487} is an apocalyptic number.

11604251331487 is a deficient number, since it is larger than the sum of its proper divisors (24667329).

11604251331487 is an equidigital number, since it uses as much as digits as its factorization.

11604251331487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24667328.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 11604251331487 in words is "eleven trillion, six hundred four billion, two hundred fifty-one million, three hundred thirty-one thousand, four hundred eighty-seven".