2581122471471 has 32 divisors (see below), whose sum is σ = 3910145863680. Its totient is φ = 1682022894048.

The previous prime is 2581122471391. The next prime is 2581122471497. The reversal of 2581122471471 is 1741742211852.

2581122471471 is a `hidden beast` number, since 2 + 5 + 81 + 12 + 24 + 71 + 471 = 666.

It is not a de Polignac number, because 2581122471471 - 2¹⁰ = 2581122470447 is a prime.

It is a super-3 number, since 3×2581122471471³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2581122471371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264631 + ... + 2287416.

It is an arithmetic number, because the mean of its divisors is an integer number (122192058240).

Almost surely, 2^{2581122471471} is an apocalyptic number.

2581122471471 is a deficient number, since it is larger than the sum of its proper divisors (1329023392209).

2581122471471 is a wasteful number, since it uses less digits than its factorization.

2581122471471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552900 (or 2552894 counting only the distinct ones).

The product of its digits is 250880, while the sum is 45.

The spelling of 2581122471471 in words is "two trillion, five hundred eighty-one billion, one hundred twenty-two million, four hundred seventy-one thousand, four hundred seventy-one".