2256342415665 has 128 divisors (see below), whose sum is σ = 4161426554880. Its totient is φ = 1035470822400.

The previous prime is 2256342415553. The next prime is 2256342415673. The reversal of 2256342415665 is 5665142436522.

2256342415665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2256342415665 - 2¹¹ = 2256342413617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 75541524 + ... + 75571386.

It is an arithmetic number, because the mean of its divisors is an integer number (32511144960).

Almost surely, 2^{2256342415665} is an apocalyptic number.

It is an amenable number.

2256342415665 is a deficient number, since it is larger than the sum of its proper divisors (1905084139215).

2256342415665 is a wasteful number, since it uses less digits than its factorization.

2256342415665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30375.

The product of its digits is 10368000, while the sum is 51.

The spelling of 2256342415665 in words is "two trillion, two hundred fifty-six billion, three hundred forty-two million, four hundred fifteen thousand, six hundred sixty-five".