1057811255 has 8 divisors (see below), whose sum is σ = 1270856400. Its totient is φ = 845260416.

The previous prime is 1057811243. The next prime is 1057811269. The reversal of 1057811255 is 5521187501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1057811255 - 2¹⁸ = 1057549111 is a prime.

It is a super-2 number, since 2×1057811255² = 2237929302409350050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 118850 + ... + 127439.

It is an arithmetic number, because the mean of its divisors is an integer number (158857050).

Almost surely, 2^1057811255 is an apocalyptic number.

1057811255 is a deficient number, since it is larger than the sum of its proper divisors (213045145).

1057811255 is an equidigital number, since it uses as much as digits as its factorization.

1057811255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247153.

The product of its (nonzero) digits is 14000, while the sum is 35.

The square root of 1057811255 is about 32524.0104384438. The cubic root of 1057811255 is about 1018.9105550457.

Adding to 1057811255 its reverse (5521187501), we get a palindrome (6578998756).

The spelling of 1057811255 in words is "one billion, fifty-seven million, eight hundred eleven thousand, two hundred fifty-five".