13125440431004 has 48 divisors (see below), whose sum is σ = 25155943013376. Its totient is φ = 5942718532800.

The previous prime is 13125440430983. The next prime is 13125440431043. The reversal of 13125440431004 is 40013404452131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52304657 + ... + 52554999.

It is an arithmetic number, because the mean of its divisors is an integer number (524082146112).

Almost surely, 2^{13125440431004} is an apocalyptic number.

It is an amenable number.

13125440431004 is a deficient number, since it is larger than the sum of its proper divisors (12030502582372).

13125440431004 is a wasteful number, since it uses less digits than its factorization.

13125440431004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255026 (or 255024 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13125440431004 its reverse (40013404452131), we get a palindrome (53138844883135).

The spelling of 13125440431004 in words is "thirteen trillion, one hundred twenty-five billion, four hundred forty million, four hundred thirty-one thousand, four".