1053330401403 has 16 divisors (see below), whose sum is σ = 1783416552960. Its totient is φ = 601903086408.

The previous prime is 1053330401393. The next prime is 1053330401411. The reversal of 1053330401403 is 3041040333501.

It is not a de Polignac number, because 1053330401403 - 2⁵ = 1053330401371 is a prime.

It is a super-2 number, since 2×1053330401403² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1053330401443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2786588175 + ... + 2786588552.

It is an arithmetic number, because the mean of its divisors is an integer number (111463534560).

Almost surely, 2^{1053330401403} is an apocalyptic number.

1053330401403 is a deficient number, since it is larger than the sum of its proper divisors (730086151557).

1053330401403 is an equidigital number, since it uses as much as digits as its factorization.

1053330401403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573176743 (or 5573176737 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 1053330401403 its reverse (3041040333501), we get a palindrome (4094370734904).

The spelling of 1053330401403 in words is "one trillion, fifty-three billion, three hundred thirty million, four hundred one thousand, four hundred three".