256611372501741 has 8 divisors (see below), whose sum is σ = 343010331674784. Its totient is φ = 170643330831600.

The previous prime is 256611372501713. The next prime is 256611372501749. The reversal of 256611372501741 is 147105273116652.

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

It is not a de Polignac number, because 256611372501741 - 2⁵ = 256611372501709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256611372501749) 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, 107729374335 + ... + 107729376716.

It is an arithmetic number, because the mean of its divisors is an integer number (42876291459348).

Almost surely, 2^{256611372501741} is an apocalyptic number.

It is an amenable number.

256611372501741 is a deficient number, since it is larger than the sum of its proper divisors (86398959173043).

256611372501741 is a wasteful number, since it uses less digits than its factorization.

256611372501741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215458751451.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 256611372501741 in words is "two hundred fifty-six trillion, six hundred eleven billion, three hundred seventy-two million, five hundred one thousand, seven hundred forty-one".