11861952466 has 16 divisors (see below), whose sum is σ = 21898989504. Its totient is φ = 4692640464.

The previous prime is 11861952407. The next prime is 11861952481. The reversal of 11861952466 is 66425916811.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32587600 + ... + 32587963.

It is an arithmetic number, because the mean of its divisors is an integer number (1368686844).

Almost surely, 2^11861952466 is an apocalyptic number.

11861952466 is a deficient number, since it is larger than the sum of its proper divisors (10037037038).

11861952466 is a wasteful number, since it uses less digits than its factorization.

11861952466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65175585.

The product of its digits is 622080, while the sum is 49.

The spelling of 11861952466 in words is "eleven billion, eight hundred sixty-one million, nine hundred fifty-two thousand, four hundred sixty-six".