1553330530103 has 16 divisors (see below), whose sum is σ = 1751866344960. Its totient is φ = 1364854212000.

The previous prime is 1553330530007. The next prime is 1553330530111. The reversal of 1553330530103 is 3010350333551.

It is a cyclic number.

It is not a de Polignac number, because 1553330530103 - 2¹⁸ = 1553330267959 is a prime.

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 1553330530103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553330530123) 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, 12576083 + ... + 12698996.

It is an arithmetic number, because the mean of its divisors is an integer number (109491646560).

Almost surely, 2^{1553330530103} is an apocalyptic number.

1553330530103 is a deficient number, since it is larger than the sum of its proper divisors (198535814857).

1553330530103 is a wasteful number, since it uses less digits than its factorization.

1553330530103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25275278.

The product of its (nonzero) digits is 30375, while the sum is 32.

Adding to 1553330530103 its reverse (3010350333551), we get a palindrome (4563680863654).

The spelling of 1553330530103 in words is "one trillion, five hundred fifty-three billion, three hundred thirty million, five hundred thirty thousand, one hundred three".