109603557 has 32 divisors (see below), whose sum is σ = 191980800. Its totient is φ = 60467904.

The previous prime is 109603547. The next prime is 109603591. The reversal of 109603557 is 755306901.

It is a happy number.

109603557 is a `hidden beast` number, since 10 + 96 + 0 + 3 + 557 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-109603557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109603547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4518 + ... + 15479.

It is an arithmetic number, because the mean of its divisors is an integer number (5999400).

Almost surely, 2^109603557 is an apocalyptic number.

It is an amenable number.

109603557 is a deficient number, since it is larger than the sum of its proper divisors (82377243).

109603557 is a wasteful number, since it uses less digits than its factorization.

109603557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20042 (or 20036 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 109603557 is about 10469.1717437436. The cubic root of 109603557 is about 478.5656792147.

The spelling of 109603557 in words is "one hundred nine million, six hundred three thousand, five hundred fifty-seven".