1255056351 has 16 divisors (see below), whose sum is σ = 1715497344. Its totient is φ = 815732064.

The previous prime is 1255056349. The next prime is 1255056367. The reversal of 1255056351 is 1536505521.

It is not a de Polignac number, because 1255056351 - 2¹ = 1255056349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255056311) by changing a digit.

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, 63120 + ... + 80586.

It is an arithmetic number, because the mean of its divisors is an integer number (107218584).

Almost surely, 2^1255056351 is an apocalyptic number.

1255056351 is a deficient number, since it is larger than the sum of its proper divisors (460440993).

1255056351 is a wasteful number, since it uses less digits than its factorization.

1255056351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18070.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 1255056351 is about 35426.7744933123. The cubic root of 1255056351 is about 1078.6678680095.

The spelling of 1255056351 in words is "one billion, two hundred fifty-five million, fifty-six thousand, three hundred fifty-one".