11447484375 has 56 divisors (see below), whose sum is σ = 19272253312. Its totient is φ = 6043500000.

The previous prime is 11447484371. The next prime is 11447484379. The reversal of 11447484375 is 57348474411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11447484371) and next prime (11447484379).

It is not a de Polignac number, because 11447484375 - 2² = 11447484371 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11447484371) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4826940 + ... + 4829310.

Almost surely, 2^11447484375 is an apocalyptic number.

11447484375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11447484375 is a deficient number, since it is larger than the sum of its proper divisors (7824768937).

11447484375 is an frugal number, since it uses more digits than its factorization.

11447484375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507 (or 2482 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The spelling of 11447484375 in words is "eleven billion, four hundred forty-seven million, four hundred eighty-four thousand, three hundred seventy-five".