11955672964 has 27 divisors (see below), whose sum is σ = 21880854597. Its totient is φ = 5715525024.

The previous prime is 11955672961. The next prime is 11955673013. The reversal of 11955672964 is 46927655911.

The square root of 11955672964 is 109342.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4729312900 + 7226360064 = 68770^2 + 85008^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11955672961) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5028544 + ... + 5030920.

Almost surely, 2^11955672964 is an apocalyptic number.

11955672964 is the 109342-nd square number.

It is an amenable number.

11955672964 is a deficient number, since it is larger than the sum of its proper divisors (9925181633).

11955672964 is an frugal number, since it uses more digits than its factorization.

11955672964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804 (or 2402 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 55.

The spelling of 11955672964 in words is "eleven billion, nine hundred fifty-five million, six hundred seventy-two thousand, nine hundred sixty-four".