1260027765056 has 28 divisors (see below), whose sum is σ = 2609079233952. Its totient is φ = 602621973888.

The previous prime is 1260027765041. The next prime is 1260027765121. The reversal of 1260027765056 is 6505677200621.

It is a self number, because there is not a number n which added to its sum of digits gives 1260027765056.

It is a congruent number.

It is an unprimeable number.

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, 427997090 + ... + 428000033.

Almost surely, 2^{1260027765056} is an apocalyptic number.

1260027765056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1260027765056 is an abundant number, since it is smaller than the sum of its proper divisors (1349051468896).

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

1260027765056 is an equidigital number, since it uses as much as digits as its factorization.

1260027765056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855997158 (or 855997148 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 1260027765056 in words is "one trillion, two hundred sixty billion, twenty-seven million, seven hundred sixty-five thousand, fifty-six".