1377420504265 has 24 divisors (see below), whose sum is σ = 1895115846168. Its totient is φ = 957338403840.

The previous prime is 1377420504227. The next prime is 1377420504281. The reversal of 1377420504265 is 5624050247731.

It can be written as a sum of positive squares in 12 ways, for example, as 526298015296 + 851122488969 = 725464^2 + 922563^2 .

It is not a de Polignac number, because 1377420504265 - 2¹³ = 1377420496073 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47929266 + ... + 47957995.

It is an arithmetic number, because the mean of its divisors is an integer number (78963160257).

Almost surely, 2^{1377420504265} is an apocalyptic number.

It is an amenable number.

1377420504265 is a deficient number, since it is larger than the sum of its proper divisors (517695341903).

1377420504265 is a wasteful number, since it uses less digits than its factorization.

1377420504265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95887309 (or 95887296 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 46.

The spelling of 1377420504265 in words is "one trillion, three hundred seventy-seven billion, four hundred twenty million, five hundred four thousand, two hundred sixty-five".