1553041213203 has 8 divisors (see below), whose sum is σ = 2071807478208. Its totient is φ = 1034817878504.

The previous prime is 1553041213169. The next prime is 1553041213219. The reversal of 1553041213203 is 3023121403551.

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 1553041213203 - 2²¹ = 1553039116051 is a prime.

It is a super-2 number, since 2×1553041213203² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1553041213103) 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, 135725901 + ... + 135737342.

It is an arithmetic number, because the mean of its divisors is an integer number (258975934776).

Almost surely, 2^{1553041213203} is an apocalyptic number.

1553041213203 is a deficient number, since it is larger than the sum of its proper divisors (518766265005).

1553041213203 is a wasteful number, since it uses less digits than its factorization.

1553041213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271465153.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 1553041213203 its reverse (3023121403551), we get a palindrome (4576162616754).

The spelling of 1553041213203 in words is "one trillion, five hundred fifty-three billion, forty-one million, two hundred thirteen thousand, two hundred three".