1109102051 has 2 divisors, whose sum is σ = 1109102052. Its totient is φ = 1109102050.

The previous prime is 1109102017. The next prime is 1109102077. The reversal of 1109102051 is 1502019011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1109102051 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1109102011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554551025 + 554551026.

It is an arithmetic number, because the mean of its divisors is an integer number (554551026).

Almost surely, 2^1109102051 is an apocalyptic number.

1109102051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109102051 is an equidigital number, since it uses as much as digits as its factorization.

1109102051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 1109102051 is about 33303.1837967483. The cubic root of 1109102051 is about 1035.1195303307.

The spelling of 1109102051 in words is "one billion, one hundred nine million, one hundred two thousand, fifty-one".