1200685582057 has 16 divisors (see below), whose sum is σ = 1420279378560. Its totient is φ = 1004340408192.

The previous prime is 1200685582013. The next prime is 1200685582073. The reversal of 1200685582057 is 7502855860021.

It is a cyclic number.

It is not a de Polignac number, because 1200685582057 - 2²⁷ = 1200551364329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1200685582057.

It is not an unprimeable number, because it can be changed into a prime (1200685582087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105669868 + ... + 105681229.

It is an arithmetic number, because the mean of its divisors is an integer number (88767461160).

Almost surely, 2^{1200685582057} is an apocalyptic number.

It is an amenable number.

1200685582057 is a deficient number, since it is larger than the sum of its proper divisors (219593796503).

1200685582057 is a wasteful number, since it uses less digits than its factorization.

1200685582057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211351152.

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 1200685582057 in words is "one trillion, two hundred billion, six hundred eighty-five million, five hundred eighty-two thousand, fifty-seven".