11272612664 has 32 divisors (see below), whose sum is σ = 21291479040. Its totient is φ = 5594940000.

The previous prime is 11272612661. The next prime is 11272612709. The reversal of 11272612664 is 46621627211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272612661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2354417 + ... + 2359199.

It is an arithmetic number, because the mean of its divisors is an integer number (665358720).

Almost surely, 2^11272612664 is an apocalyptic number.

It is an amenable number.

11272612664 is a deficient number, since it is larger than the sum of its proper divisors (10018866376).

11272612664 is a wasteful number, since it uses less digits than its factorization.

11272612664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891 (or 6887 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The spelling of 11272612664 in words is "eleven billion, two hundred seventy-two million, six hundred twelve thousand, six hundred sixty-four".