1118423636057 has 32 divisors (see below), whose sum is σ = 1384846122240. Its totient is φ = 879557748480.

The previous prime is 1118423636041. The next prime is 1118423636063. The reversal of 1118423636057 is 7506363248111.

It is a cyclic number.

It is not a de Polignac number, because 1118423636057 - 2⁴ = 1118423636041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1118423636257) 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 31 ways as a sum of consecutive naturals, for example, 81683582 + ... + 81697272.

It is an arithmetic number, because the mean of its divisors is an integer number (43276441320).

Almost surely, 2^{1118423636057} is an apocalyptic number.

It is an amenable number.

1118423636057 is a deficient number, since it is larger than the sum of its proper divisors (266422486183).

1118423636057 is a wasteful number, since it uses less digits than its factorization.

1118423636057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19073.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 1118423636057 in words is "one trillion, one hundred eighteen billion, four hundred twenty-three million, six hundred thirty-six thousand, fifty-seven".