1086858601655 has 8 divisors (see below), whose sum is σ = 1305385537200. Its totient is φ = 868716737856.

The previous prime is 1086858601651. The next prime is 1086858601669. The reversal of 1086858601655 is 5561068586801.

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 1086858601655 - 2² = 1086858601651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1086858601594 and 1086858601603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086858601651) 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, 96261725 + ... + 96273014.

It is an arithmetic number, because the mean of its divisors is an integer number (163173192150).

Almost surely, 2^{1086858601655} is an apocalyptic number.

1086858601655 is a deficient number, since it is larger than the sum of its proper divisors (218526935545).

1086858601655 is a wasteful number, since it uses less digits than its factorization.

1086858601655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192535873.

The product of its (nonzero) digits is 13824000, while the sum is 59.

The spelling of 1086858601655 in words is "one trillion, eighty-six billion, eight hundred fifty-eight million, six hundred one thousand, six hundred fifty-five".