1373388128105 has 24 divisors (see below), whose sum is σ = 1918033051392. Its totient is φ = 941312044512.

The previous prime is 1373388128087. The next prime is 1373388128113. The reversal of 1373388128105 is 5018218833731.

It is not a de Polignac number, because 1373388128105 - 2¹⁸ = 1373387865961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 782867 + ... + 1832936.

It is an arithmetic number, because the mean of its divisors is an integer number (79918043808).

Almost surely, 2^{1373388128105} is an apocalyptic number.

It is an amenable number.

1373388128105 is a deficient number, since it is larger than the sum of its proper divisors (544644923287).

1373388128105 is a wasteful number, since it uses less digits than its factorization.

1373388128105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2617965 (or 2617958 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 1373388128105 in words is "one trillion, three hundred seventy-three billion, three hundred eighty-eight million, one hundred twenty-eight thousand, one hundred five".