11970644007 has 32 divisors (see below), whose sum is σ = 18696029184. Its totient is φ = 6669907200.

The previous prime is 11970643969. The next prime is 11970644011. The reversal of 11970644007 is 70044607911.

It is not a de Polignac number, because 11970644007 - 2⁶ = 11970643943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11970644047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2745273 + ... + 2749629.

It is an arithmetic number, because the mean of its divisors is an integer number (584250912).

Almost surely, 2^11970644007 is an apocalyptic number.

11970644007 is a deficient number, since it is larger than the sum of its proper divisors (6725385177).

11970644007 is a wasteful number, since it uses less digits than its factorization.

11970644007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7599.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 11970644007 in words is "eleven billion, nine hundred seventy million, six hundred forty-four thousand, seven".