110656656561 has 16 divisors (see below), whose sum is σ = 162548756928. Its totient is φ = 66400632000.

The previous prime is 110656656503. The next prime is 110656656601. The reversal of 110656656561 is 165656656011.

It is not a de Polignac number, because 110656656561 - 2⁶ = 110656656497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110656656561.

It is not an unprimeable number, because it can be changed into a prime (110656656361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16596826 + ... + 16603491.

It is an arithmetic number, because the mean of its divisors is an integer number (10159297308).

Almost surely, 2^110656656561 is an apocalyptic number.

110656656561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110656656561 is a deficient number, since it is larger than the sum of its proper divisors (51892100367).

110656656561 is a wasteful number, since it uses less digits than its factorization.

110656656561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33200432.

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 110656656561 in words is "one hundred ten billion, six hundred fifty-six million, six hundred fifty-six thousand, five hundred sixty-one".