1377677325025 has 9 divisors (see below), whose sum is σ = 1708327160281. Its totient is φ = 1102137165040.

The previous prime is 1377677324993. The next prime is 1377677325047. The reversal of 1377677325025 is 5205237767731.

The square root of 1377677325025 is 1173745.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 225798883489 + 1151878441536 = 475183^2 + 1073256^2 .

It is not a de Polignac number, because 1377677325025 - 2⁵ = 1377677324993 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5751351 + ... + 5986099.

Almost surely, 2^{1377677325025} is an apocalyptic number.

1377677325025 is the 1173745-th square number.

1377677325025 is the 586873-rd centered octagonal number.

It is an amenable number.

1377677325025 is a deficient number, since it is larger than the sum of its proper divisors (330649835256).

1377677325025 is an frugal number, since it uses more digits than its factorization.

1377677325025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469508 (or 234754 counting only the distinct ones).

The product of its (nonzero) digits is 12965400, while the sum is 55.

The spelling of 1377677325025 in words is "one trillion, three hundred seventy-seven billion, six hundred seventy-seven million, three hundred twenty-five thousand, twenty-five".