11489406857586 has 208 divisors, whose sum is σ = 29877849371520. Its totient is φ = 3245616475200.

The previous prime is 11489406857557. The next prime is 11489406857603. The reversal of 11489406857586 is 68575860498411.

It is a happy number.

11489406857586 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 9 + 40 + 6 + 8 + 575 + 8 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 103 ways as a sum of consecutive naturals, for example, 662166811 + ... + 662184161.

Almost surely, 2^{11489406857586} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11489406857586, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14938924685760).

11489406857586 is an abundant number, since it is smaller than the sum of its proper divisors (18388442513934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11489406857586 is an frugal number, since it uses more digits than its factorization.

11489406857586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17485 (or 17452 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 72.

The spelling of 11489406857586 in words is "eleven trillion, four hundred eighty-nine billion, four hundred six million, eight hundred fifty-seven thousand, five hundred eighty-six".