14515425506664 has 48 divisors (see below), whose sum is σ = 39405989952420. Its totient is φ = 4826982343680.

The previous prime is 14515425506567. The next prime is 14515425506749. The reversal of 14515425506664 is 46660552451541.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11880030414564 + 2635395092100 = 3446742^2 + 1623390^2 .

It is a super-2 number, since 2×14515425506664² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14515425506664.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 239403337 + ... + 239463960.

Almost surely, 2^{14515425506664} is an apocalyptic number.

It is an amenable number.

14515425506664 is an abundant number, since it is smaller than the sum of its proper divisors (24890564445756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14515425506664 is a wasteful number, since it uses less digits than its factorization.

14515425506664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478867730 (or 478867723 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 54.

The spelling of 14515425506664 in words is "fourteen trillion, five hundred fifteen billion, four hundred twenty-five million, five hundred six thousand, six hundred sixty-four".