2686541501855 has 8 divisors (see below), whose sum is σ = 3225231663552. Its totient is φ = 2148311960608.

The previous prime is 2686541501851. The next prime is 2686541501881. The reversal of 2686541501855 is 5581051456862.

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 2686541501855 - 2² = 2686541501851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2686541501855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686541501851) 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, 115142279 + ... + 115165608.

It is an arithmetic number, because the mean of its divisors is an integer number (403153957944).

Almost surely, 2^{2686541501855} is an apocalyptic number.

2686541501855 is a deficient number, since it is larger than the sum of its proper divisors (538690161697).

2686541501855 is a wasteful number, since it uses less digits than its factorization.

2686541501855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230310225.

The product of its (nonzero) digits is 11520000, while the sum is 56.

The spelling of 2686541501855 in words is "two trillion, six hundred eighty-six billion, five hundred forty-one million, five hundred one thousand, eight hundred fifty-five".