1331104412040 has 128 divisors (see below), whose sum is σ = 4416720860160. Its totient is φ = 318800876544.

The previous prime is 1331104412039. The next prime is 1331104412059. The reversal of 1331104412040 is 402144011331.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1331104412040.

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 31 ways as a sum of consecutive naturals, for example, 11472984 + ... + 11588423.

It is an arithmetic number, because the mean of its divisors is an integer number (34505631720).

Almost surely, 2^{1331104412040} is an apocalyptic number.

1331104412040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331104412040 is an abundant number, since it is smaller than the sum of its proper divisors (3085616448120).

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

1331104412040 is a wasteful number, since it uses less digits than its factorization.

1331104412040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23061471 (or 23061467 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1331104412040 its reverse (402144011331), we get a palindrome (1733248423371).

The spelling of 1331104412040 in words is "one trillion, three hundred thirty-one billion, one hundred four million, four hundred twelve thousand, forty".