13516624021452 has 12 divisors (see below), whose sum is σ = 31538789383416. Its totient is φ = 4505541340480.

The previous prime is 13516624021399. The next prime is 13516624021487. The reversal of 13516624021452 is 25412042661531.

It is a tau number, because it is divible by the number of its divisors (12).

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, 563192667549 + ... + 563192667572.

It is an arithmetic number, because the mean of its divisors is an integer number (2628232448618).

Almost surely, 2^{13516624021452} is an apocalyptic number.

13516624021452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13516624021452 is an abundant number, since it is smaller than the sum of its proper divisors (18022165361964).

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

13516624021452 is a wasteful number, since it uses less digits than its factorization.

13516624021452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126385335128 (or 1126385335126 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

Adding to 13516624021452 its reverse (25412042661531), we get a palindrome (38928666682983).

The spelling of 13516624021452 in words is "thirteen trillion, five hundred sixteen billion, six hundred twenty-four million, twenty-one thousand, four hundred fifty-two".