11972514466 has 16 divisors (see below), whose sum is σ = 19923446880. Its totient is φ = 5349813280.

The previous prime is 11972514457. The next prime is 11972514487. The reversal of 11972514466 is 66441527911.

It is a super-2 number, since 2×11972514466² (a number of 21 digits) contains 22 as substring.

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, 4610611 + ... + 4613206.

It is an arithmetic number, because the mean of its divisors is an integer number (1245215430).

Almost surely, 2^11972514466 is an apocalyptic number.

11972514466 is a deficient number, since it is larger than the sum of its proper divisors (7950932414).

11972514466 is a wasteful number, since it uses less digits than its factorization.

11972514466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9223889.

The product of its digits is 362880, while the sum is 46.

The spelling of 11972514466 in words is "eleven billion, nine hundred seventy-two million, five hundred fourteen thousand, four hundred sixty-six".