1377371072257 has 16 divisors (see below), whose sum is σ = 1404027596160. Its totient is φ = 1350922003200.

The previous prime is 1377371072221. The next prime is 1377371072261. The reversal of 1377371072257 is 7522701737731.

It is a cyclic number.

It is not a de Polignac number, because 1377371072257 - 2²⁷ = 1377236854529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377371052257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34930969 + ... + 34970377.

It is an arithmetic number, because the mean of its divisors is an integer number (87751724760).

Almost surely, 2^{1377371072257} is an apocalyptic number.

It is an amenable number.

1377371072257 is a deficient number, since it is larger than the sum of its proper divisors (26656523903).

1377371072257 is a wasteful number, since it uses less digits than its factorization.

1377371072257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42024.

The product of its (nonzero) digits is 3025260, while the sum is 52.

The spelling of 1377371072257 in words is "one trillion, three hundred seventy-seven billion, three hundred seventy-one million, seventy-two thousand, two hundred fifty-seven".