1109339551 has 2 divisors, whose sum is σ = 1109339552. Its totient is φ = 1109339550.

The previous prime is 1109339537. The next prime is 1109339579. The reversal of 1109339551 is 1559339011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1109339551 - 2⁷ = 1109339423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1109339551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109333551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554669775 + 554669776.

It is an arithmetic number, because the mean of its divisors is an integer number (554669776).

Almost surely, 2^1109339551 is an apocalyptic number.

1109339551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109339551 is an equidigital number, since it uses as much as digits as its factorization.

1109339551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18225, while the sum is 37.

The square root of 1109339551 is about 33306.7493310290. The cubic root of 1109339551 is about 1035.1934109210.

The spelling of 1109339551 in words is "one billion, one hundred nine million, three hundred thirty-nine thousand, five hundred fifty-one".