9871125801489 has 8 divisors (see below), whose sum is σ = 14623890076320. Its totient is φ = 6580750534308.

The previous prime is 9871125801437. The next prime is 9871125801517. The reversal of 9871125801489 is 9841085211789.

9871125801489 is a `hidden beast` number, since 9 + 8 + 7 + 1 + 1 + 2 + 580 + 1 + 48 + 9 = 666.

It is not a de Polignac number, because 9871125801489 - 2¹¹ = 9871125799441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9871125811489) 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, 182798625927 + ... + 182798625980.

It is an arithmetic number, because the mean of its divisors is an integer number (1827986259540).

Almost surely, 2^{9871125801489} is an apocalyptic number.

It is an amenable number.

9871125801489 is a deficient number, since it is larger than the sum of its proper divisors (4752764274831).

9871125801489 is a wasteful number, since it uses less digits than its factorization.

9871125801489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365597251916 (or 365597251910 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 63.

The spelling of 9871125801489 in words is "nine trillion, eight hundred seventy-one billion, one hundred twenty-five million, eight hundred one thousand, four hundred eighty-nine".