2520212551671 has 8 divisors (see below), whose sum is σ = 3375351938560. Its totient is φ = 1672607432952.

The previous prime is 2520212551667. The next prime is 2520212551693. The reversal of 2520212551671 is 1761552120252.

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

It is not a de Polignac number, because 2520212551671 - 2² = 2520212551667 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 (2520212551271) 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, 1883566261 + ... + 1883567598.

It is an arithmetic number, because the mean of its divisors is an integer number (421918992320).

Almost surely, 2^{2520212551671} is an apocalyptic number.

2520212551671 is a deficient number, since it is larger than the sum of its proper divisors (855139386889).

2520212551671 is a wasteful number, since it uses less digits than its factorization.

2520212551671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767134085.

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 2520212551671 in words is "two trillion, five hundred twenty billion, two hundred twelve million, five hundred fifty-one thousand, six hundred seventy-one".