1288345043378 has 32 divisors (see below), whose sum is σ = 2123251401600. Its totient is φ = 583576430976.

The previous prime is 1288345043347. The next prime is 1288345043423. The reversal of 1288345043378 is 8733405438821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3042950 + ... + 3440382.

It is an arithmetic number, because the mean of its divisors is an integer number (66351606300).

Almost surely, 2^{1288345043378} is an apocalyptic number.

1288345043378 is a deficient number, since it is larger than the sum of its proper divisors (834906358222).

1288345043378 is a wasteful number, since it uses less digits than its factorization.

1288345043378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401186.

The product of its (nonzero) digits is 15482880, while the sum is 56.

The spelling of 1288345043378 in words is "one trillion, two hundred eighty-eight billion, three hundred forty-five million, forty-three thousand, three hundred seventy-eight".