255111153011 has 8 divisors (see below), whose sum is σ = 299711005104. Its totient is φ = 214079289120.

The previous prime is 255111152969. The next prime is 255111153043. The reversal of 255111153011 is 110351111552.

It is a happy number.

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 255111153011 - 2¹⁰ = 255111151987 is a prime.

It is a super-2 number, since 2×255111153011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255111153061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891996896 + ... + 891997181.

It is an arithmetic number, because the mean of its divisors is an integer number (37463875638).

Almost surely, 2^255111153011 is an apocalyptic number.

255111153011 is a deficient number, since it is larger than the sum of its proper divisors (44599852093).

255111153011 is a wasteful number, since it uses less digits than its factorization.

255111153011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783994101.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 255111153011 its reverse (110351111552), we get a palindrome (365462264563).

The spelling of 255111153011 in words is "two hundred fifty-five billion, one hundred eleven million, one hundred fifty-three thousand, eleven".