1011440320098 has 16 divisors (see below), whose sum is σ = 2178486843456. Its totient is φ = 311212406160.

The previous prime is 1011440320097. The next prime is 1011440320129. The reversal of 1011440320098 is 8900230441101.

It is a happy number.

It is a super-2 number, since 2×1011440320098² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011440320091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6483591718 + ... + 6483591873.

It is an arithmetic number, because the mean of its divisors is an integer number (136155427716).

Almost surely, 2^{1011440320098} is an apocalyptic number.

1011440320098 is an abundant number, since it is smaller than the sum of its proper divisors (1167046523358).

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

1011440320098 is a wasteful number, since it uses less digits than its factorization.

1011440320098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967183609.

The product of its (nonzero) digits is 6912, while the sum is 33.

Adding to 1011440320098 its reverse (8900230441101), we get a palindrome (9911670761199).

The spelling of 1011440320098 in words is "one trillion, eleven billion, four hundred forty million, three hundred twenty thousand, ninety-eight".