6861116325547 has 24 divisors (see below), whose sum is σ = 7560097443360. Its totient is φ = 6222049996800.

The previous prime is 6861116325521. The next prime is 6861116325571. The reversal of 6861116325547 is 7455236111686.

It is a de Polignac number, because none of the positive numbers 2^k-6861116325547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6861116325647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487253547 + ... + 487267627.

It is an arithmetic number, because the mean of its divisors is an integer number (315004060140).

Almost surely, 2^{6861116325547} is an apocalyptic number.

6861116325547 is a deficient number, since it is larger than the sum of its proper divisors (698981117813).

6861116325547 is a wasteful number, since it uses less digits than its factorization.

6861116325547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23715 (or 23704 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The spelling of 6861116325547 in words is "six trillion, eight hundred sixty-one billion, one hundred sixteen million, three hundred twenty-five thousand, five hundred forty-seven".