1258551255 has 16 divisors (see below), whose sum is σ = 2168580960. Its totient is φ = 619594368.

The previous prime is 1258551223. The next prime is 1258551269. The reversal of 1258551255 is 5521558521.

1258551255 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1258551255 - 2⁵ = 1258551223 is a prime.

It is a super-2 number, since 2×1258551255² = 3167902522924150050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3226860 + ... + 3227249.

It is an arithmetic number, because the mean of its divisors is an integer number (135536310).

Almost surely, 2^1258551255 is an apocalyptic number.

1258551255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1258551255 is a deficient number, since it is larger than the sum of its proper divisors (910029705).

1258551255 is a wasteful number, since it uses less digits than its factorization.

1258551255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6454130.

The product of its digits is 100000, while the sum is 39.

The square root of 1258551255 is about 35476.0659459304. The cubic root of 1258551255 is about 1079.6681808127.

The spelling of 1258551255 in words is "one billion, two hundred fifty-eight million, five hundred fifty-one thousand, two hundred fifty-five".