1255255530 has 16 divisors (see below), whose sum is σ = 3012613344. Its totient is φ = 334734800.

The previous prime is 1255255523. The next prime is 1255255543. The reversal of 1255255530 is 355525521.

It is a junction number, because it is equal to n+sod(n) for n = 1255255491 and 1255255500.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20920896 + ... + 20920955.

It is an arithmetic number, because the mean of its divisors is an integer number (188288334).

Almost surely, 2^1255255530 is an apocalyptic number.

1255255530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1255255530 is an abundant number, since it is smaller than the sum of its proper divisors (1757357814).

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

1255255530 is a wasteful number, since it uses less digits than its factorization.

1255255530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41841861.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 1255255530 is about 35429.5855183207. The cubic root of 1255255530 is about 1078.7249269675.

The spelling of 1255255530 in words is "one billion, two hundred fifty-five million, two hundred fifty-five thousand, five hundred thirty".