13215124145 has 32 divisors (see below), whose sum is σ = 17146080000. Its totient is φ = 9753213184.

The previous prime is 13215124123. The next prime is 13215124151. The reversal of 13215124145 is 54142151231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13215124145 - 2¹⁶ = 13215058609 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341231 + ... + 377979.

It is an arithmetic number, because the mean of its divisors is an integer number (535815000).

Almost surely, 2^13215124145 is an apocalyptic number.

It is an amenable number.

13215124145 is a deficient number, since it is larger than the sum of its proper divisors (3930955855).

13215124145 is a wasteful number, since it uses less digits than its factorization.

13215124145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36889.

The product of its digits is 4800, while the sum is 29.

Adding to 13215124145 its reverse (54142151231), we get a palindrome (67357275376).

The spelling of 13215124145 in words is "thirteen billion, two hundred fifteen million, one hundred twenty-four thousand, one hundred forty-five".