11447697372 has 48 divisors (see below), whose sum is σ = 28126156800. Its totient is φ = 3613904640.

The previous prime is 11447697361. The next prime is 11447697377. The reversal of 11447697372 is 27379674411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11447697377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961029 + ... + 972867.

It is an arithmetic number, because the mean of its divisors is an integer number (585961600).

Almost surely, 2^11447697372 is an apocalyptic number.

11447697372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11447697372 is an abundant number, since it is smaller than the sum of its proper divisors (16678459428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11447697372 is a wasteful number, since it uses less digits than its factorization.

11447697372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16106 (or 16104 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The spelling of 11447697372 in words is "eleven billion, four hundred forty-seven million, six hundred ninety-seven thousand, three hundred seventy-two".