109071617555 has 16 divisors (see below), whose sum is σ = 134092524384. Its totient is φ = 85120024320.

The previous prime is 109071617539. The next prime is 109071617563. The reversal of 109071617555 is 555716170901.

It is a happy number.

It is not a de Polignac number, because 109071617555 - 2⁴ = 109071617539 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2423972 + ... + 2468558.

It is an arithmetic number, because the mean of its divisors is an integer number (8380782774).

Almost surely, 2^109071617555 is an apocalyptic number.

109071617555 is a deficient number, since it is larger than the sum of its proper divisors (25020906829).

109071617555 is a wasteful number, since it uses less digits than its factorization.

109071617555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56566.

The product of its (nonzero) digits is 330750, while the sum is 47.

The spelling of 109071617555 in words is "one hundred nine billion, seventy-one million, six hundred seventeen thousand, five hundred fifty-five".