7109661801 has 16 divisors (see below), whose sum is σ = 10472232960. Its totient is φ = 4254341520.

The previous prime is 7109661787. The next prime is 7109661809. The reversal of 7109661801 is 1081669017.

It is not a de Polignac number, because 7109661801 - 2⁹ = 7109661289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7109661801.

It is not an unprimeable number, because it can be changed into a prime (7109661809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360965 + ... + 1366178.

It is an arithmetic number, because the mean of its divisors is an integer number (654514560).

Almost surely, 2^7109661801 is an apocalyptic number.

It is an amenable number.

7109661801 is a deficient number, since it is larger than the sum of its proper divisors (3362571159).

7109661801 is a wasteful number, since it uses less digits than its factorization.

7109661801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2727236.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 7109661801 is about 84318.8104814104. The cubic root of 7109661801 is about 1922.8687765199.

The spelling of 7109661801 in words is "seven billion, one hundred nine million, six hundred sixty-one thousand, eight hundred one".