7173857142881 has 16 divisors (see below), whose sum is σ = 8497681116288. Its totient is φ = 6020019965520.

The previous prime is 7173857142821. The next prime is 7173857142899. The reversal of 7173857142881 is 1882417583717.

It is not a de Polignac number, because 7173857142881 - 2⁶ = 7173857142817 is a prime.

It is a super-3 number, since 3×7173857142881³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (7173857142821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207283661 + ... + 207318266.

It is an arithmetic number, because the mean of its divisors is an integer number (531105069768).

Almost surely, 2^{7173857142881} is an apocalyptic number.

It is an amenable number.

7173857142881 is a deficient number, since it is larger than the sum of its proper divisors (1323823973407).

7173857142881 is a wasteful number, since it uses less digits than its factorization.

7173857142881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414601973 (or 414601951 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 62.

The spelling of 7173857142881 in words is "seven trillion, one hundred seventy-three billion, eight hundred fifty-seven million, one hundred forty-two thousand, eight hundred eighty-one".