1133021020544 has 64 divisors (see below), whose sum is σ = 2599338297600. Its totient is φ = 481873666560.

The previous prime is 1133021020543. The next prime is 1133021020597. The reversal of 1133021020544 is 4450201203311.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133021020543) 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, 4709084 + ... + 4943835.

It is an arithmetic number, because the mean of its divisors is an integer number (40614660900).

Almost surely, 2^{1133021020544} is an apocalyptic number.

1133021020544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1133021020544 is an abundant number, since it is smaller than the sum of its proper divisors (1466317277056).

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

1133021020544 is an equidigital number, since it uses as much as digits as its factorization.

1133021020544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9653071 (or 9653059 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1133021020544 its reverse (4450201203311), we get a palindrome (5583222223855).

The spelling of 1133021020544 in words is "one trillion, one hundred thirty-three billion, twenty-one million, twenty thousand, five hundred forty-four".