1355800023569 has 16 divisors (see below), whose sum is σ = 1383526714752. Its totient is φ = 1328364056448.

The previous prime is 1355800023559. The next prime is 1355800023581. The reversal of 1355800023569 is 9653200085531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355800023569 is a prime.

It is a super-2 number, since 2×1355800023569² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355800023559) 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, 11459972 + ... + 11577674.

It is an arithmetic number, because the mean of its divisors is an integer number (86470419672).

Almost surely, 2^{1355800023569} is an apocalyptic number.

It is an amenable number.

1355800023569 is a deficient number, since it is larger than the sum of its proper divisors (27726691183).

1355800023569 is a wasteful number, since it uses less digits than its factorization.

1355800023569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118936.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 1355800023569 in words is "one trillion, three hundred fifty-five billion, eight hundred million, twenty-three thousand, five hundred sixty-nine".