109415563 has 2 divisors, whose sum is σ = 109415564. Its totient is φ = 109415562.

The previous prime is 109415533. The next prime is 109415567. The reversal of 109415563 is 365514901.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109415563 - 2⁹ = 109415051 is a prime.

It is not a weakly prime, because it can be changed into another prime (109415567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54707781 + 54707782.

It is an arithmetic number, because the mean of its divisors is an integer number (54707782).

Almost surely, 2^109415563 is an apocalyptic number.

109415563 is a deficient number, since it is larger than the sum of its proper divisors (1).

109415563 is an equidigital number, since it uses as much as digits as its factorization.

109415563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 109415563 is about 10460.1894342311. The cubic root of 109415563 is about 478.2919077977.

The spelling of 109415563 in words is "one hundred nine million, four hundred fifteen thousand, five hundred sixty-three".