255511512 has 48 divisors (see below), whose sum is σ = 692902080. Its totient is φ = 85060800.

The previous prime is 255511511. The next prime is 255511519. The reversal of 255511512 is 215115552.

It is a super-2 number, since 2×255511512² = 130572265529052288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255511511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69562 + ... + 73142.

It is an arithmetic number, because the mean of its divisors is an integer number (14435460).

Almost surely, 2^255511512 is an apocalyptic number.

It is an amenable number.

255511512 is an abundant number, since it is smaller than the sum of its proper divisors (437390568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255511512 is a wasteful number, since it uses less digits than its factorization.

255511512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584 (or 4577 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 255511512 is about 15984.7274609234. The cubic root of 255511512 is about 634.5562957351.

The spelling of 255511512 in words is "two hundred fifty-five million, five hundred eleven thousand, five hundred twelve".