1061900911 has 2 divisors, whose sum is σ = 1061900912. Its totient is φ = 1061900910.

The previous prime is 1061900897. The next prime is 1061900923. The reversal of 1061900911 is 1190091601.

It is a strong prime.

It is an emirp because it is prime and its reverse (1190091601) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 1160061901 and 1091600611.

It is a cyclic number.

It is not a de Polignac number, because 1061900911 - 2²³ = 1053512303 is a prime.

It is a super-2 number, since 2×1061900911² = 2255267089565259842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1061900911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061900941) 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, 530950455 + 530950456.

It is an arithmetic number, because the mean of its divisors is an integer number (530950456).

Almost surely, 2^1061900911 is an apocalyptic number.

1061900911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061900911 is an equidigital number, since it uses as much as digits as its factorization.

1061900911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 28.

The square root of 1061900911 is about 32586.8211244976. The cubic root of 1061900911 is about 1020.2219531730.

The spelling of 1061900911 in words is "one billion, sixty-one million, nine hundred thousand, nine hundred eleven".