255061111161 has 8 divisors (see below), whose sum is σ = 340301036800. Its totient is φ = 169930963152.

The previous prime is 255061111157. The next prime is 255061111169. The reversal of 255061111161 is 161111160552.

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

It is not a de Polignac number, because 255061111161 - 2² = 255061111157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255061111169) 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, 27438985 + ... + 27448278.

It is an arithmetic number, because the mean of its divisors is an integer number (42537629600).

Almost surely, 2^255061111161 is an apocalyptic number.

It is an amenable number.

255061111161 is a deficient number, since it is larger than the sum of its proper divisors (85239925639).

255061111161 is a wasteful number, since it uses less digits than its factorization.

255061111161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54888815.

The product of its (nonzero) digits is 1800, while the sum is 30.

The spelling of 255061111161 in words is "two hundred fifty-five billion, sixty-one million, one hundred eleven thousand, one hundred sixty-one".