1377775013775 has 12 divisors (see below), whose sum is σ = 2277921356232. Its totient is φ = 734813340640.

The previous prime is 1377775013767. The next prime is 1377775013779. The reversal of 1377775013775 is 5773105777731.

It is not a de Polignac number, because 1377775013775 - 2³ = 1377775013767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377775013779) 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, 9185166684 + ... + 9185166833.

It is an arithmetic number, because the mean of its divisors is an integer number (189826779686).

Almost surely, 2^{1377775013775} is an apocalyptic number.

1377775013775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1377775013775 is a deficient number, since it is larger than the sum of its proper divisors (900146342457).

1377775013775 is a wasteful number, since it uses less digits than its factorization.

1377775013775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370333530 (or 18370333525 counting only the distinct ones).

The product of its (nonzero) digits is 26471025, while the sum is 60.

The spelling of 1377775013775 in words is "one trillion, three hundred seventy-seven billion, seven hundred seventy-five million, thirteen thousand, seven hundred seventy-five".