2555324331521 has 8 divisors (see below), whose sum is σ = 2752326657024. Its totient is φ = 2358384708240.

The previous prime is 2555324331463. The next prime is 2555324331559. The reversal of 2555324331521 is 1251334235552.

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 2555324331521 - 2¹⁰ = 2555324330497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555324331421) 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, 15590891 + ... + 15753936.

It is an arithmetic number, because the mean of its divisors is an integer number (344040832128).

Almost surely, 2^{2555324331521} is an apocalyptic number.

It is an amenable number.

2555324331521 is a deficient number, since it is larger than the sum of its proper divisors (197002325503).

2555324331521 is a wasteful number, since it uses less digits than its factorization.

2555324331521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31351111.

The product of its digits is 540000, while the sum is 41.

The spelling of 2555324331521 in words is "two trillion, five hundred fifty-five billion, three hundred twenty-four million, three hundred thirty-one thousand, five hundred twenty-one".