1055311511 has 2 divisors, whose sum is σ = 1055311512. Its totient is φ = 1055311510.

The previous prime is 1055311501. The next prime is 1055311541. The reversal of 1055311511 is 1151135501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055311511 - 2¹⁸ = 1055049367 is a prime.

It is a super-2 number, since 2×1055311511² = 2227364770498206242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055311501) 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 as a sum of consecutive naturals, namely, 527655755 + 527655756.

It is an arithmetic number, because the mean of its divisors is an integer number (527655756).

Almost surely, 2^1055311511 is an apocalyptic number.

1055311511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055311511 is an equidigital number, since it uses as much as digits as its factorization.

1055311511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 375, while the sum is 23.

The square root of 1055311511 is about 32485.5584991239. The cubic root of 1055311511 is about 1018.1073164462.

The spelling of 1055311511 in words is "one billion, fifty-five million, three hundred eleven thousand, five hundred eleven".