1377443352256 has 56 divisors (see below), whose sum is σ = 2745400540176. Its totient is φ = 685694315520.

The previous prime is 1377443352253. The next prime is 1377443352281. The reversal of 1377443352256 is 6522533447731.

It is not an unprimeable number, because it can be changed into a prime (1377443352251) 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, 16411710 + ... + 16495426.

It is an arithmetic number, because the mean of its divisors is an integer number (49025009646).

Almost surely, 2^{1377443352256} is an apocalyptic number.

1377443352256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1377443352256 is a deficient number, since it is larger than the sum of its proper divisors (1367957187920).

1377443352256 is an equidigital number, since it uses as much as digits as its factorization.

1377443352256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84857 (or 84847 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 52.

Adding to 1377443352256 its reverse (6522533447731), we get a palindrome (7899976799987).

The spelling of 1377443352256 in words is "one trillion, three hundred seventy-seven billion, four hundred forty-three million, three hundred fifty-two thousand, two hundred fifty-six".