2520051520405 has 8 divisors (see below), whose sum is σ = 3024279356832. Its totient is φ = 2015896194768.

The previous prime is 2520051520369. The next prime is 2520051520409. The reversal of 2520051520405 is 5040251500252.

It is a happy number.

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 2520051520405 - 2²⁷ = 2519917302677 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 (2520051520409) 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, 18051207 + ... + 18190276.

It is an arithmetic number, because the mean of its divisors is an integer number (378034919604).

Almost surely, 2^{2520051520405} is an apocalyptic number.

It is an amenable number.

2520051520405 is a deficient number, since it is larger than the sum of its proper divisors (504227836427).

2520051520405 is a wasteful number, since it uses less digits than its factorization.

2520051520405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36255395.

The product of its (nonzero) digits is 20000, while the sum is 31.

The spelling of 2520051520405 in words is "two trillion, five hundred twenty billion, fifty-one million, five hundred twenty thousand, four hundred five".