2505433021021 has 8 divisors (see below), whose sum is σ = 2864057837120. Its totient is φ = 2146984658208.

The previous prime is 2505433021019. The next prime is 2505433021031. The reversal of 2505433021021 is 1201203345052.

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 2505433021021 - 2¹ = 2505433021019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505433021031) 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, 44082891 + ... + 44139688.

It is an arithmetic number, because the mean of its divisors is an integer number (358007229640).

Almost surely, 2^{2505433021021} is an apocalyptic number.

It is an amenable number.

2505433021021 is a deficient number, since it is larger than the sum of its proper divisors (358624816099).

2505433021021 is an equidigital number, since it uses as much as digits as its factorization.

2505433021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88226643.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 2505433021021 its reverse (1201203345052), we get a palindrome (3706636366073).

The spelling of 2505433021021 in words is "two trillion, five hundred five billion, four hundred thirty-three million, twenty-one thousand, twenty-one".