1281935056060 has 48 divisors (see below), whose sum is σ = 2694615487200. Its totient is φ = 512288181504.

The previous prime is 1281935055983. The next prime is 1281935056063. The reversal of 1281935056060 is 606505391821.

It is a self number, because there is not a number n which added to its sum of digits gives 1281935056060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1281935056063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190392454 + ... + 190399186.

It is an arithmetic number, because the mean of its divisors is an integer number (56137822650).

Almost surely, 2^{1281935056060} is an apocalyptic number.

1281935056060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1281935056060 is an abundant number, since it is smaller than the sum of its proper divisors (1412680431140).

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

1281935056060 is a wasteful number, since it uses less digits than its factorization.

1281935056060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14350 (or 14348 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 1281935056060 in words is "one trillion, two hundred eighty-one billion, nine hundred thirty-five million, fifty-six thousand, sixty".