1375144507605 has 128 divisors (see below), whose sum is σ = 2557719244800. Its totient is φ = 624280616960.

The previous prime is 1375144507591. The next prime is 1375144507621. The reversal of 1375144507605 is 5067054415731.

It is not a de Polignac number, because 1375144507605 - 2¹⁷ = 1375144376533 is a prime.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 90302002 + ... + 90317228.

It is an arithmetic number, because the mean of its divisors is an integer number (19982181600).

Almost surely, 2^{1375144507605} is an apocalyptic number.

1375144507605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1375144507605 is a deficient number, since it is larger than the sum of its proper divisors (1182574737195).

1375144507605 is a wasteful number, since it uses less digits than its factorization.

1375144507605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15771.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 1375144507605 in words is "one trillion, three hundred seventy-five billion, one hundred forty-four million, five hundred seven thousand, six hundred five".