1011440320105 has 8 divisors (see below), whose sum is σ = 1213839000000. Its totient is φ = 809078512176.

The previous prime is 1011440320097. The next prime is 1011440320129. The reversal of 1011440320105 is 5010230441101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011440320105 - 2³ = 1011440320097 is a prime.

It is a super-2 number, since 2×1011440320105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9157605 + ... + 9267394.

It is an arithmetic number, because the mean of its divisors is an integer number (151729875000).

Almost surely, 2^{1011440320105} is an apocalyptic number.

It is an amenable number.

1011440320105 is a deficient number, since it is larger than the sum of its proper divisors (202398679895).

1011440320105 is a wasteful number, since it uses less digits than its factorization.

1011440320105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18435983.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 1011440320105 its reverse (5010230441101), we get a palindrome (6021670761206).

The spelling of 1011440320105 in words is "one trillion, eleven billion, four hundred forty million, three hundred twenty thousand, one hundred five".