13125471544 has 48 divisors (see below), whose sum is σ = 25204370400. Its totient is φ = 6407960448.

The previous prime is 13125471539. The next prime is 13125471547. The reversal of 13125471544 is 44517452131.

13125471544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125471547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12705652 + ... + 12706684.

It is an arithmetic number, because the mean of its divisors is an integer number (525091050).

Almost surely, 2^13125471544 is an apocalyptic number.

It is an amenable number.

13125471544 is a deficient number, since it is larger than the sum of its proper divisors (12078898856).

13125471544 is a wasteful number, since it uses less digits than its factorization.

13125471544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852 (or 1801 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The spelling of 13125471544 in words is "thirteen billion, one hundred twenty-five million, four hundred seventy-one thousand, five hundred forty-four".