1118641084877 has 16 divisors (see below), whose sum is σ = 1160851392000. Its totient is φ = 1076678226624.

The previous prime is 1118641084831. The next prime is 1118641084879. The reversal of 1118641084877 is 7784801468111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1118641084877 - 2³⁴ = 1101461215693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118641084879) 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, 12635588 + ... + 12723810.

It is an arithmetic number, because the mean of its divisors is an integer number (72553212000).

Almost surely, 2^{1118641084877} is an apocalyptic number.

It is an amenable number.

1118641084877 is a deficient number, since it is larger than the sum of its proper divisors (42210307123).

1118641084877 is an equidigital number, since it uses as much as digits as its factorization.

1118641084877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89620.

The product of its (nonzero) digits is 2408448, while the sum is 56.

The spelling of 1118641084877 in words is "one trillion, one hundred eighteen billion, six hundred forty-one million, eighty-four thousand, eight hundred seventy-seven".