11885489588406 has 16 divisors (see below), whose sum is σ = 27166833345024. Its totient is φ = 3395854168104.

The previous prime is 11885489588387. The next prime is 11885489588407. The reversal of 11885489588406 is 60488598458811.

11885489588406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11885489588406² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885489588407) 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, 141493923630 + ... + 141493923713.

It is an arithmetic number, because the mean of its divisors is an integer number (1697927084064).

Almost surely, 2^{11885489588406} is an apocalyptic number.

11885489588406 is an abundant number, since it is smaller than the sum of its proper divisors (15281343756618).

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

11885489588406 is a wasteful number, since it uses less digits than its factorization.

11885489588406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282987847355.

The product of its (nonzero) digits is 707788800, while the sum is 75.

The spelling of 11885489588406 in words is "eleven trillion, eight hundred eighty-five billion, four hundred eighty-nine million, five hundred eighty-eight thousand, four hundred six".