1053018821803 has 8 divisors (see below), whose sum is σ = 1142178690800. Its totient is φ = 965024441568.

The previous prime is 1053018821749. The next prime is 1053018821867. The reversal of 1053018821803 is 3081288103501.

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 1053018821803 - 2¹³ = 1053018813611 is a prime.

It is a super-2 number, since 2×1053018821803² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053018621803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291370308 + ... + 291373921.

It is an arithmetic number, because the mean of its divisors is an integer number (142772336350).

Almost surely, 2^{1053018821803} is an apocalyptic number.

1053018821803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1053018821803 is a deficient number, since it is larger than the sum of its proper divisors (89159868997).

1053018821803 is a wasteful number, since it uses less digits than its factorization.

1053018821803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582744381.

The product of its (nonzero) digits is 46080, while the sum is 40.

The spelling of 1053018821803 in words is "one trillion, fifty-three billion, eighteen million, eight hundred twenty-one thousand, eight hundred three".