9980871291351 has 24 divisors (see below), whose sum is σ = 14429585040000. Its totient is φ = 6648022475712.

The previous prime is 9980871291253. The next prime is 9980871291379. The reversal of 9980871291351 is 1531921780899.

9980871291351 is a `hidden beast` number, since 9 + 9 + 80 + 87 + 129 + 1 + 351 = 666.

It is not a de Polignac number, because 9980871291351 - 2³⁹ = 9431115477463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9980871291551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47589345 + ... + 47798613.

It is an arithmetic number, because the mean of its divisors is an integer number (601232710000).

Almost surely, 2^{9980871291351} is an apocalyptic number.

9980871291351 is a deficient number, since it is larger than the sum of its proper divisors (4448713748649).

9980871291351 is a wasteful number, since it uses less digits than its factorization.

9980871291351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213943 (or 213940 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 63.

The spelling of 9980871291351 in words is "nine trillion, nine hundred eighty billion, eight hundred seventy-one million, two hundred ninety-one thousand, three hundred fifty-one".