13125005521430 has 64 divisors (see below), whose sum is σ = 25803217440000. Its totient is φ = 4767086881920.

The previous prime is 13125005521429. The next prime is 13125005521513. The reversal of 13125005521430 is 3412550052131.

It is a congruent number.

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, 857891921 + ... + 857907219.

It is an arithmetic number, because the mean of its divisors is an integer number (403175272500).

Almost surely, 2^{13125005521430} is an apocalyptic number.

13125005521430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13125005521430 is a deficient number, since it is larger than the sum of its proper divisors (12678211918570).

13125005521430 is a wasteful number, since it uses less digits than its factorization.

13125005521430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24029.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 13125005521430 its reverse (3412550052131), we get a palindrome (16537555573561).

The spelling of 13125005521430 in words is "thirteen trillion, one hundred twenty-five billion, five million, five hundred twenty-one thousand, four hundred thirty".