1377374124656 has 40 divisors (see below), whose sum is σ = 2755584536064. Its totient is φ = 666269023680.

The previous prime is 1377374124653. The next prime is 1377374124667. The reversal of 1377374124656 is 6564214737731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377374124653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220411 + ... + 2060133.

Almost surely, 2^{1377374124656} is an apocalyptic number.

1377374124656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1377374124656 is an abundant number, since it is smaller than the sum of its proper divisors (1378210411408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1377374124656 is a wasteful number, since it uses less digits than its factorization.

1377374124656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843069 (or 843063 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 56.

The spelling of 1377374124656 in words is "one trillion, three hundred seventy-seven billion, three hundred seventy-four million, one hundred twenty-four thousand, six hundred fifty-six".