11945646486 has 24 divisors (see below), whose sum is σ = 25889492304. Its totient is φ = 3980765520.

The previous prime is 11945646481. The next prime is 11945646497. The reversal of 11945646486 is 68464654911.

11945646486 is a `hidden beast` number, since 1 + 19 + 4 + 564 + 64 + 8 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945646481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25770 + ... + 156701.

It is an arithmetic number, because the mean of its divisors is an integer number (1078728846).

Almost surely, 2^11945646486 is an apocalyptic number.

11945646486 is an abundant number, since it is smaller than the sum of its proper divisors (13943845818).

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

11945646486 is a wasteful number, since it uses less digits than its factorization.

11945646486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186116 (or 186113 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The spelling of 11945646486 in words is "eleven billion, nine hundred forty-five million, six hundred forty-six thousand, four hundred eighty-six".