1101491113 has 2 divisors, whose sum is σ = 1101491114. Its totient is φ = 1101491112.

The previous prime is 1101491071. The next prime is 1101491129. The reversal of 1101491113 is 3111941011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092170304 + 9320809 = 33048^2 + 3053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101491113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101491143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550745556 + 550745557.

It is an arithmetic number, because the mean of its divisors is an integer number (550745557).

Almost surely, 2^1101491113 is an apocalyptic number.

It is an amenable number.

1101491113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101491113 is an equidigital number, since it uses as much as digits as its factorization.

1101491113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 22.

The square root of 1101491113 is about 33188.7196649705. The cubic root of 1101491113 is about 1032.7463431263.

The spelling of 1101491113 in words is "one billion, one hundred one million, four hundred ninety-one thousand, one hundred thirteen".