1377647703325 has 12 divisors (see below), whose sum is σ = 1708309568308. Its totient is φ = 1102101120000.

The previous prime is 1377647703323. The next prime is 1377647703343. The reversal of 1377647703325 is 5233077467731.

It can be written as a sum of positive squares in 6 ways, for example, as 27650036089 + 1349997667236 = 166283^2 + 1161894^2 .

It is not a de Polignac number, because 1377647703325 - 2¹ = 1377647703323 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377647703323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1371709 + ... + 2153341.

Almost surely, 2^{1377647703325} is an apocalyptic number.

It is an amenable number.

1377647703325 is a deficient number, since it is larger than the sum of its proper divisors (330661864983).

1377647703325 is an equidigital number, since it uses as much as digits as its factorization.

1377647703325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852144 (or 852139 counting only the distinct ones).

The product of its (nonzero) digits is 15558480, while the sum is 55.

The spelling of 1377647703325 in words is "one trillion, three hundred seventy-seven billion, six hundred forty-seven million, seven hundred three thousand, three hundred twenty-five".