1135344454020 has 144 divisors (see below), whose sum is σ = 4016184681600. Its totient is φ = 259507289664.

The previous prime is 1135344453983. The next prime is 1135344454021. The reversal of 1135344454020 is 204544435311.

1135344454020 is a `hidden beast` number, since 1 + 1 + 3 + 53 + 4 + 44 + 540 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1135344454021) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 9132822 + ... + 9256301.

It is an arithmetic number, because the mean of its divisors is an integer number (27890171400).

Almost surely, 2^{1135344454020} is an apocalyptic number.

1135344454020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1135344454020 is an abundant number, since it is smaller than the sum of its proper divisors (2880840227580).

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

1135344454020 is a wasteful number, since it uses less digits than its factorization.

1135344454020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18389159 (or 18389140 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1135344454020 its reverse (204544435311), we get a palindrome (1339888889331).

The spelling of 1135344454020 in words is "one trillion, one hundred thirty-five billion, three hundred forty-four million, four hundred fifty-four thousand, twenty".