2003530225551 has 8 divisors (see below), whose sum is σ = 2671385252784. Its totient is φ = 1335681007680.

The previous prime is 2003530225511. The next prime is 2003530225559. The reversal of 2003530225551 is 1555220353002.

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

It is not a de Polignac number, because 2003530225551 - 2²⁵ = 2003496671119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003530225559) 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, 571260 + ... + 2081681.

It is an arithmetic number, because the mean of its divisors is an integer number (333923156598).

Almost surely, 2^{2003530225551} is an apocalyptic number.

2003530225551 is a deficient number, since it is larger than the sum of its proper divisors (667855027233).

2003530225551 is a wasteful number, since it uses less digits than its factorization.

2003530225551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904681.

The product of its (nonzero) digits is 45000, while the sum is 33.

Adding to 2003530225551 its reverse (1555220353002), we get a palindrome (3558750578553).

The spelling of 2003530225551 in words is "two trillion, three billion, five hundred thirty million, two hundred twenty-five thousand, five hundred fifty-one".