266115235041655 has 8 divisors (see below), whose sum is σ = 319339017775152. Its totient is φ = 212891697549888.

The previous prime is 266115235041587. The next prime is 266115235041713. The reversal of 266115235041655 is 556140532511662.

266115235041655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 266115235041655 - 2³⁹ = 265565479227767 is a prime.

It is a Duffinian number.

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, 58914669 + ... + 63270598.

It is an arithmetic number, because the mean of its divisors is an integer number (39917377221894).

Almost surely, 2^{266115235041655} is an apocalyptic number.

266115235041655 is a deficient number, since it is larger than the sum of its proper divisors (53223782733497).

266115235041655 is a wasteful number, since it uses less digits than its factorization.

266115235041655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122620865.

The product of its (nonzero) digits is 6480000, while the sum is 52.

The spelling of 266115235041655 in words is "two hundred sixty-six trillion, one hundred fifteen billion, two hundred thirty-five million, forty-one thousand, six hundred fifty-five".