260156642255 has 4 divisors (see below), whose sum is σ = 312187970712. Its totient is φ = 208125313800.

The previous prime is 260156642233. The next prime is 260156642267. The reversal of 260156642255 is 552246651062.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 260156642255 - 2¹⁴ = 260156625871 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 3 ways as a sum of consecutive naturals, for example, 26015664221 + ... + 26015664230.

It is an arithmetic number, because the mean of its divisors is an integer number (78046992678).

Almost surely, 2^260156642255 is an apocalyptic number.

260156642255 is a deficient number, since it is larger than the sum of its proper divisors (52031328457).

260156642255 is an equidigital number, since it uses as much as digits as its factorization.

260156642255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52031328456.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 260156642255 in words is "two hundred sixty billion, one hundred fifty-six million, six hundred forty-two thousand, two hundred fifty-five".