1373480561528 has 32 divisors (see below), whose sum is σ = 2625022371600. Its totient is φ = 673486015488.

The previous prime is 1373480561521. The next prime is 1373480561539. The reversal of 1373480561528 is 8251650843731.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 1373480561528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373480561521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251183 + ... + 1676321.

Almost surely, 2^{1373480561528} is an apocalyptic number.

It is an amenable number.

1373480561528 is a deficient number, since it is larger than the sum of its proper divisors (1251541810072).

1373480561528 is a wasteful number, since it uses less digits than its factorization.

1373480561528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427471 (or 1427467 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 1373480561528 in words is "one trillion, three hundred seventy-three billion, four hundred eighty million, five hundred sixty-one thousand, five hundred twenty-eight".