14988317257 has 8 divisors (see below), whose sum is σ = 16705245600. Its totient is φ = 13364195904.

The previous prime is 14988317221. The next prime is 14988317263. The reversal of 14988317257 is 75271388941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14988317257 - 2⁷ = 14988317129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14988317198 and 14988317207.

It is not an unprimeable number, because it can be changed into a prime (14988317207) 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, 23201407 + ... + 23202052.

It is an arithmetic number, because the mean of its divisors is an integer number (2088155700).

Almost surely, 2^14988317257 is an apocalyptic number.

14988317257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14988317257 is a deficient number, since it is larger than the sum of its proper divisors (1716928343).

14988317257 is a wasteful number, since it uses less digits than its factorization.

14988317257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46403495.

The product of its digits is 3386880, while the sum is 55.

The spelling of 14988317257 in words is "fourteen billion, nine hundred eighty-eight million, three hundred seventeen thousand, two hundred fifty-seven".