1601260555056 has 20 divisors (see below), whose sum is σ = 4136589767352. Its totient is φ = 533753518336.

The previous prime is 1601260555051. The next prime is 1601260555057. The reversal of 1601260555056 is 6505550621061.

It is a junction number, because it is equal to n+sod(n) for n = 1601260554999 and 1601260555017.

It is not an unprimeable number, because it can be changed into a prime (1601260555051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16679797401 + ... + 16679797496.

Almost surely, 2^{1601260555056} is an apocalyptic number.

1601260555056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1601260555056 is an abundant number, since it is smaller than the sum of its proper divisors (2535329212296).

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

1601260555056 is a wasteful number, since it uses less digits than its factorization.

1601260555056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33359594908 (or 33359594902 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

The spelling of 1601260555056 in words is "one trillion, six hundred one billion, two hundred sixty million, five hundred fifty-five thousand, fifty-six".