2655642278015 has 8 divisors (see below), whose sum is σ = 3190709886480. Its totient is φ = 2121887720512.

The previous prime is 2655642277987. The next prime is 2655642278017. The reversal of 2655642278015 is 5108722465562.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2655642278015 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655642278017) 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, 328258289 + ... + 328266378.

It is an arithmetic number, because the mean of its divisors is an integer number (398838735810).

Almost surely, 2^{2655642278015} is an apocalyptic number.

2655642278015 is a deficient number, since it is larger than the sum of its proper divisors (535067608465).

2655642278015 is an equidigital number, since it uses as much as digits as its factorization.

2655642278015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656525481.

The product of its (nonzero) digits is 8064000, while the sum is 53.

The spelling of 2655642278015 in words is "two trillion, six hundred fifty-five billion, six hundred forty-two million, two hundred seventy-eight thousand, fifteen".