1320631177255 has 32 divisors (see below), whose sum is σ = 1728545817600. Its totient is φ = 962734211712.

The previous prime is 1320631177247. The next prime is 1320631177259. The reversal of 1320631177255 is 5527711360231.

It is not a de Polignac number, because 1320631177255 - 2³ = 1320631177247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320631177259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38531316 + ... + 38565574.

It is an arithmetic number, because the mean of its divisors is an integer number (54017056800).

Almost surely, 2^{1320631177255} is an apocalyptic number.

1320631177255 is a deficient number, since it is larger than the sum of its proper divisors (407914640345).

1320631177255 is a wasteful number, since it uses less digits than its factorization.

1320631177255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41863.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 1320631177255 in words is "one trillion, three hundred twenty billion, six hundred thirty-one million, one hundred seventy-seven thousand, two hundred fifty-five".