1283145680704 has 56 divisors (see below), whose sum is σ = 2615377576448. Its totient is φ = 624157125120.

The previous prime is 1283145680701. The next prime is 1283145680783. The reversal of 1283145680704 is 4070865413821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283145680701) 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, 22778077 + ... + 22834339.

It is an arithmetic number, because the mean of its divisors is an integer number (46703171008).

Almost surely, 2^{1283145680704} is an apocalyptic number.

It is an amenable number.

1283145680704 is an abundant number, since it is smaller than the sum of its proper divisors (1332231895744).

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

1283145680704 is an equidigital number, since it uses as much as digits as its factorization.

1283145680704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65943 (or 65933 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 1283145680704 in words is "one trillion, two hundred eighty-three billion, one hundred forty-five million, six hundred eighty thousand, seven hundred four".