1018322581098 has 64 divisors (see below), whose sum is σ = 2139621816960. Its totient is φ = 322647908352.

The previous prime is 1018322581097. The next prime is 1018322581139. The reversal of 1018322581098 is 8901852238101.

1018322581098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1018322581097) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19757890 + ... + 19809362.

It is an arithmetic number, because the mean of its divisors is an integer number (33431590890).

Almost surely, 2^{1018322581098} is an apocalyptic number.

1018322581098 is an abundant number, since it is smaller than the sum of its proper divisors (1121299235862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1018322581098 is a wasteful number, since it uses less digits than its factorization.

1018322581098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53271.

The product of its (nonzero) digits is 276480, while the sum is 48.

The spelling of 1018322581098 in words is "one trillion, eighteen billion, three hundred twenty-two million, five hundred eighty-one thousand, ninety-eight".