1377504611125 has 16 divisors (see below), whose sum is σ = 1732248872640. Its totient is φ = 1093591434000.

The previous prime is 1377504611123. The next prime is 1377504611149. The reversal of 1377504611125 is 5211164057731.

It is not a de Polignac number, because 1377504611125 - 2¹ = 1377504611123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377504611123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42044835 + ... + 42077584.

It is an arithmetic number, because the mean of its divisors is an integer number (108265554540).

Almost surely, 2^{1377504611125} is an apocalyptic number.

It is an amenable number.

1377504611125 is a deficient number, since it is larger than the sum of its proper divisors (354744261515).

1377504611125 is an equidigital number, since it uses as much as digits as its factorization.

1377504611125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84122565 (or 84122555 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

Adding to 1377504611125 its reverse (5211164057731), we get a palindrome (6588668668856).

The spelling of 1377504611125 in words is "one trillion, three hundred seventy-seven billion, five hundred four million, six hundred eleven thousand, one hundred twenty-five".