13015325416 has 8 divisors (see below), whose sum is σ = 24403735170. Its totient is φ = 6507662704.

The previous prime is 13015325383. The next prime is 13015325429. The reversal of 13015325416 is 61452351031.

It can be written as a sum of positive squares in only one way, i.e., 12088122916 + 927202500 = 109946^2 + 30450^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813457831 + ... + 813457846.

Almost surely, 2^13015325416 is an apocalyptic number.

It is an amenable number.

13015325416 is a deficient number, since it is larger than the sum of its proper divisors (11388409754).

13015325416 is a wasteful number, since it uses less digits than its factorization.

13015325416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626915683 (or 1626915679 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 13015325416 its reverse (61452351031), we get a palindrome (74467676447).

The spelling of 13015325416 in words is "thirteen billion, fifteen million, three hundred twenty-five thousand, four hundred sixteen".