13125445121004 has 96 divisors (see below), whose sum is σ = 30787139980800. Its totient is φ = 4352212021248.

The previous prime is 13125445120993. The next prime is 13125445121011. The reversal of 13125445121004 is 40012154452131.

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, 3891325062 + ... + 3891328434.

It is an arithmetic number, because the mean of its divisors is an integer number (320699374800).

Almost surely, 2^{13125445121004} is an apocalyptic number.

It is an amenable number.

13125445121004 is an abundant number, since it is smaller than the sum of its proper divisors (17661694859796).

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

13125445121004 is a wasteful number, since it uses less digits than its factorization.

13125445121004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5799 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 13125445121004 its reverse (40012154452131), we get a palindrome (53137599573135).

The spelling of 13125445121004 in words is "thirteen trillion, one hundred twenty-five billion, four hundred forty-five million, one hundred twenty-one thousand, four".