1101330355440 has 80 divisors (see below), whose sum is σ = 3901856122368. Its totient is φ = 251732652288.

The previous prime is 1101330355423. The next prime is 1101330355457. The reversal of 1101330355440 is 445530331011.

It is an interprime number because it is at equal distance from previous prime (1101330355423) and next prime (1101330355457).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1101330355398 and 1101330355407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327775212 + ... + 327778571.

Almost surely, 2^{1101330355440} is an apocalyptic number.

1101330355440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101330355440 is an abundant number, since it is smaller than the sum of its proper divisors (2800525766928).

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

1101330355440 is a wasteful number, since it uses less digits than its factorization.

1101330355440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655553806 (or 655553800 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1101330355440 its reverse (445530331011), we get a palindrome (1546860686451).

The spelling of 1101330355440 in words is "one trillion, one hundred one billion, three hundred thirty million, three hundred fifty-five thousand, four hundred forty".