1105500491 has 2 divisors, whose sum is σ = 1105500492. Its totient is φ = 1105500490.

The previous prime is 1105500479. The next prime is 1105500593. The reversal of 1105500491 is 1940055011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1105500491 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1105500491.

It is not a weakly prime, because it can be changed into another prime (1105500401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552750245 + 552750246.

It is an arithmetic number, because the mean of its divisors is an integer number (552750246).

Almost surely, 2^1105500491 is an apocalyptic number.

1105500491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105500491 is an equidigital number, since it uses as much as digits as its factorization.

1105500491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 1105500491 is about 33249.0675207591. The cubic root of 1105500491 is about 1033.9978758903.

The spelling of 1105500491 in words is "one billion, one hundred five million, five hundred thousand, four hundred ninety-one".