14535021215 has 16 divisors (see below), whose sum is σ = 20491331616. Its totient is φ = 9757776000.

The previous prime is 14535021203. The next prime is 14535021229. The reversal of 14535021215 is 51212053541.

It is not a de Polignac number, because 14535021215 - 2²² = 14530826911 is a prime.

It is a super-2 number, since 2×14535021215² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 10163636 + ... + 10165065.

It is an arithmetic number, because the mean of its divisors is an integer number (1280708226).

Almost surely, 2^14535021215 is an apocalyptic number.

14535021215 is a deficient number, since it is larger than the sum of its proper divisors (5956310401).

14535021215 is a wasteful number, since it uses less digits than its factorization.

14535021215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20328730.

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 14535021215 its reverse (51212053541), we get a palindrome (65747074756).

The spelling of 14535021215 in words is "fourteen billion, five hundred thirty-five million, twenty-one thousand, two hundred fifteen".