255511153 has 2 divisors, whose sum is σ = 255511154. Its totient is φ = 255511152.

The previous prime is 255511097. The next prime is 255511211. The reversal of 255511153 is 351115552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250367329 + 5143824 = 15823^2 + 2268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255511153 is a prime.

It is not a weakly prime, because it can be changed into another prime (255511253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127755576 + 127755577.

It is an arithmetic number, because the mean of its divisors is an integer number (127755577).

Almost surely, 2^255511153 is an apocalyptic number.

It is an amenable number.

255511153 is a deficient number, since it is larger than the sum of its proper divisors (1).

255511153 is an equidigital number, since it uses as much as digits as its factorization.

255511153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3750, while the sum is 28.

The square root of 255511153 is about 15984.7162314506. The cubic root of 255511153 is about 634.5559985459. Note that the first 3 decimals are identical.

The spelling of 255511153 in words is "two hundred fifty-five million, five hundred eleven thousand, one hundred fifty-three".