1375144457020 has 48 divisors (see below), whose sum is σ = 2992256940960. Its totient is φ = 530223757056.

The previous prime is 1375144456999. The next prime is 1375144457033. The reversal of 1375144457020 is 207544415731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1578342 + ... + 2289421.

It is an arithmetic number, because the mean of its divisors is an integer number (62338686270).

Almost surely, 2^{1375144457020} is an apocalyptic number.

1375144457020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1375144457020 is an abundant number, since it is smaller than the sum of its proper divisors (1617112483940).

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

1375144457020 is a wasteful number, since it uses less digits than its factorization.

1375144457020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868414 (or 3868412 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 1375144457020 in words is "one trillion, three hundred seventy-five billion, one hundred forty-four million, four hundred fifty-seven thousand, twenty".