14981825807 has 32 divisors (see below), whose sum is σ = 18150350400. Its totient is φ = 12227217408.

The previous prime is 14981825783. The next prime is 14981825839. The reversal of 14981825807 is 70852818941.

It is a cyclic number.

It is not a de Polignac number, because 14981825807 - 2¹⁰ = 14981824783 is a prime.

It is a super-2 number, since 2×14981825807² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14981825857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 205544 + ... + 268722.

It is an arithmetic number, because the mean of its divisors is an integer number (567198450).

Almost surely, 2^14981825807 is an apocalyptic number.

14981825807 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14981825807 is a deficient number, since it is larger than the sum of its proper divisors (3168524593).

14981825807 is a wasteful number, since it uses less digits than its factorization.

14981825807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63275.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 14981825807 in words is "fourteen billion, nine hundred eighty-one million, eight hundred twenty-five thousand, eight hundred seven".