861867611135 has 8 divisors (see below), whose sum is σ = 1035497810400. Its totient is φ = 688656304224.

The previous prime is 861867611117. The next prime is 861867611147. The reversal of 861867611135 is 531116768168.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 861867611135 - 2²⁴ = 861850833919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104718560 + ... + 104726789.

It is an arithmetic number, because the mean of its divisors is an integer number (129437226300).

Almost surely, 2^861867611135 is an apocalyptic number.

861867611135 is a deficient number, since it is larger than the sum of its proper divisors (173630199265).

861867611135 is a wasteful number, since it uses less digits than its factorization.

861867611135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209446177.

The product of its digits is 1451520, while the sum is 53.

The spelling of 861867611135 in words is "eight hundred sixty-one billion, eight hundred sixty-seven million, six hundred eleven thousand, one hundred thirty-five".