1101606559 has 2 divisors, whose sum is σ = 1101606560. Its totient is φ = 1101606558.

The previous prime is 1101606533. The next prime is 1101606577. The reversal of 1101606559 is 9556061011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101606559 - 2²⁷ = 967388831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101609559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550803279 + 550803280.

It is an arithmetic number, because the mean of its divisors is an integer number (550803280).

Almost surely, 2^1101606559 is an apocalyptic number.

1101606559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101606559 is an equidigital number, since it uses as much as digits as its factorization.

1101606559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 1101606559 is about 33190.4588549179. The cubic root of 1101606559 is about 1032.7824221795.

The spelling of 1101606559 in words is "one billion, one hundred one million, six hundred six thousand, five hundred fifty-nine".