14991584325 has 48 divisors (see below), whose sum is σ = 25328236032. Its totient is φ = 7822360000.

The previous prime is 14991584323. The next prime is 14991584327. The reversal of 14991584325 is 52348519941.

It is an interprime number because it is at equal distance from previous prime (14991584323) and next prime (14991584327).

It is not a de Polignac number, because 14991584325 - 2¹ = 14991584323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14991584323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 686830 + ... + 708320.

It is an arithmetic number, because the mean of its divisors is an integer number (527671584).

Almost surely, 2^14991584325 is an apocalyptic number.

14991584325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14991584325 is a deficient number, since it is larger than the sum of its proper divisors (10336651707).

14991584325 is a wasteful number, since it uses less digits than its factorization.

14991584325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21706 (or 21701 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 51.

The spelling of 14991584325 in words is "fourteen billion, nine hundred ninety-one million, five hundred eighty-four thousand, three hundred twenty-five".