1377331444125 has 96 divisors (see below), whose sum is σ = 3055839591168. Its totient is φ = 581203555200.

The previous prime is 1377331444079. The next prime is 1377331444169. The reversal of 1377331444125 is 5214441337731.

1377331444125 is a `hidden beast` number, since 13 + 7 + 73 + 3 + 1 + 444 + 125 = 666.

It is not a de Polignac number, because 1377331444125 - 2⁸ = 1377331443869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 95 ways as a sum of consecutive naturals, for example, 6624519 + ... + 6829268.

It is an arithmetic number, because the mean of its divisors is an integer number (31831662408).

Almost surely, 2^{1377331444125} is an apocalyptic number.

1377331444125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1377331444125 is an abundant number, since it is smaller than the sum of its proper divisors (1678508147043).

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

1377331444125 is a wasteful number, since it uses less digits than its factorization.

1377331444125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13453828 (or 13453815 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 1377331444125 in words is "one trillion, three hundred seventy-seven billion, three hundred thirty-one million, four hundred forty-four thousand, one hundred twenty-five".