15012512425345 has 4 divisors (see below), whose sum is σ = 18015014910420. Its totient is φ = 12010009940272.

The previous prime is 15012512425333. The next prime is 15012512425373. The reversal of 15012512425345 is 54352421521051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10189674784129 + 4822837641216 = 3192127^2 + 2196096^2 .

It is a cyclic number.

It is not a de Polignac number, because 15012512425345 - 2²⁵ = 15012478870913 is a prime.

It is a super-2 number, since 2×15012512425345² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15012512425298 and 15012512425307.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501251242530 + ... + 1501251242539.

It is an arithmetic number, because the mean of its divisors is an integer number (4503753727605).

Almost surely, 2^{15012512425345} is an apocalyptic number.

It is an amenable number.

15012512425345 is a deficient number, since it is larger than the sum of its proper divisors (3002502485075).

15012512425345 is an equidigital number, since it uses as much as digits as its factorization.

15012512425345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002502485074.

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 15012512425345 its reverse (54352421521051), we get a palindrome (69364933946396).

The spelling of 15012512425345 in words is "fifteen trillion, twelve billion, five hundred twelve million, four hundred twenty-five thousand, three hundred forty-five".