11489406857587 has 8 divisors (see below), whose sum is σ = 12336595931232. Its totient is φ = 10661255740800.

The previous prime is 11489406857557. The next prime is 11489406857603. The reversal of 11489406857587 is 78575860498411.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11489406857587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11489406857557) 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, 4759487964 + ... + 4759490377.

It is an arithmetic number, because the mean of its divisors is an integer number (1542074491404).

Almost surely, 2^{11489406857587} is an apocalyptic number.

11489406857587 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11489406857587 is a deficient number, since it is larger than the sum of its proper divisors (847189073645).

11489406857587 is an equidigital number, since it uses as much as digits as its factorization.

11489406857587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9518978429.

The product of its (nonzero) digits is 541900800, while the sum is 73.

The spelling of 11489406857587 in words is "eleven trillion, four hundred eighty-nine billion, four hundred six million, eight hundred fifty-seven thousand, five hundred eighty-seven".