3601111091 has 2 divisors, whose sum is σ = 3601111092. Its totient is φ = 3601111090.

The previous prime is 3601111049. The next prime is 3601111093. The reversal of 3601111091 is 1901111063.

3601111091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3601111091 is a prime.

Together with 3601111093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3601111093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800555545 + 1800555546.

It is an arithmetic number, because the mean of its divisors is an integer number (1800555546).

Almost surely, 2^3601111091 is an apocalyptic number.

3601111091 is a deficient number, since it is larger than the sum of its proper divisors (1).

3601111091 is an equidigital number, since it uses as much as digits as its factorization.

3601111091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 3601111091 is about 60009.2583773537. The cubic root of 3601111091 is about 1532.7765225526.

The spelling of 3601111091 in words is "three billion, six hundred one million, one hundred eleven thousand, ninety-one".