14531521015 has 48 divisors (see below), whose sum is σ = 19480303584. Its totient is φ = 10397122560.

The previous prime is 14531520979. The next prime is 14531521021. The reversal of 14531521015 is 51012513541.

It is not a de Polignac number, because 14531521015 - 2⁹ = 14531520503 is a prime.

It is a super-2 number, since 2×14531521015² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11325564 + ... + 11326846.

It is an arithmetic number, because the mean of its divisors is an integer number (405839658).

Almost surely, 2^14531521015 is an apocalyptic number.

14531521015 is a deficient number, since it is larger than the sum of its proper divisors (4948782569).

14531521015 is a wasteful number, since it uses less digits than its factorization.

14531521015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1589 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 14531521015 in words is "fourteen billion, five hundred thirty-one million, five hundred twenty-one thousand, fifteen".