1232055511 has 2 divisors, whose sum is σ = 1232055512. Its totient is φ = 1232055510.

The previous prime is 1232055463. The next prime is 1232055541. The reversal of 1232055511 is 1155502321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1232055511 - 2¹¹ = 1232053463 is a prime.

It is a super-2 number, since 2×1232055511² = 3035921564370942242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1232055541) 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, 616027755 + 616027756.

It is an arithmetic number, because the mean of its divisors is an integer number (616027756).

Almost surely, 2^1232055511 is an apocalyptic number.

1232055511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232055511 is an equidigital number, since it uses as much as digits as its factorization.

1232055511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1232055511 is about 35100.6482988562. The cubic root of 1232055511 is about 1072.0377828700.

Adding to 1232055511 its reverse (1155502321), we get a palindrome (2387557832).

The spelling of 1232055511 in words is "one billion, two hundred thirty-two million, fifty-five thousand, five hundred eleven".