1044120203553 has 8 divisors (see below), whose sum is σ = 1591040310208. Its totient is φ = 596640116304.

The previous prime is 1044120203531. The next prime is 1044120203591. The reversal of 1044120203553 is 3553020214401.

1044120203553 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1044120203553 - 2¹³ = 1044120195361 is a prime.

It is a super-3 number, since 3×1044120203553³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1044120203553.

It is not an unprimeable number, because it can be changed into a prime (1044120203353) 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, 24860004826 + ... + 24860004867.

It is an arithmetic number, because the mean of its divisors is an integer number (198880038776).

Almost surely, 2^{1044120203553} is an apocalyptic number.

It is an amenable number.

1044120203553 is a deficient number, since it is larger than the sum of its proper divisors (546920106655).

1044120203553 is an equidigital number, since it uses as much as digits as its factorization.

1044120203553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49720009703.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1044120203553 its reverse (3553020214401), we get a palindrome (4597140417954).

The spelling of 1044120203553 in words is "one trillion, forty-four billion, one hundred twenty million, two hundred three thousand, five hundred fifty-three".