13124412501545 has 8 divisors (see below), whose sum is σ = 15760134167496. Its totient is φ = 10492303890816.

The previous prime is 13124412501517. The next prime is 13124412501559. The reversal of 13124412501545 is 54510521442131.

It can be written as a sum of positive squares in 4 ways, for example, as 5518890989824 + 7605521511721 = 2349232^2 + 2757811^2 .

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 13124412501545 - 2¹⁸ = 13124412239401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13124412501499 and 13124412501508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903255812 + ... + 903270341.

It is an arithmetic number, because the mean of its divisors is an integer number (1970016770937).

Almost surely, 2^{13124412501545} is an apocalyptic number.

It is an amenable number.

13124412501545 is a deficient number, since it is larger than the sum of its proper divisors (2635721665951).

13124412501545 is a wasteful number, since it uses less digits than its factorization.

13124412501545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806527611.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 13124412501545 its reverse (54510521442131), we get a palindrome (67634933943676).

The spelling of 13124412501545 in words is "thirteen trillion, one hundred twenty-four billion, four hundred twelve million, five hundred one thousand, five hundred forty-five".