1061955311 has 2 divisors, whose sum is σ = 1061955312. Its totient is φ = 1061955310.

The previous prime is 1061955289. The next prime is 1061955343. The reversal of 1061955311 is 1135591601.

It is an a-pointer prime, because the next prime (1061955343) can be obtained adding 1061955311 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1061955311 - 2⁶ = 1061955247 is a prime.

It is a super-2 number, since 2×1061955311² = 2255498165122213442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061958311) 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, 530977655 + 530977656.

It is an arithmetic number, because the mean of its divisors is an integer number (530977656).

Almost surely, 2^1061955311 is an apocalyptic number.

1061955311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061955311 is an equidigital number, since it uses as much as digits as its factorization.

1061955311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 1061955311 is about 32587.6558070690. The cubic root of 1061955311 is about 1020.2393744867.

The spelling of 1061955311 in words is "one billion, sixty-one million, nine hundred fifty-five thousand, three hundred eleven".