7161948099509 has 8 divisors (see below), whose sum is σ = 8666559044928. Its totient is φ = 5777706029760.

The previous prime is 7161948099463. The next prime is 7161948099569. The reversal of 7161948099509 is 9059908491617.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7161948099509 - 2⁸ = 7161948099253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7161948099569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30092218787 + ... + 30092219024.

It is an arithmetic number, because the mean of its divisors is an integer number (1083319880616).

Almost surely, 2^{7161948099509} is an apocalyptic number.

It is an amenable number.

7161948099509 is a deficient number, since it is larger than the sum of its proper divisors (1504610945419).

7161948099509 is a wasteful number, since it uses less digits than its factorization.

7161948099509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60184437835.

The product of its (nonzero) digits is 44089920, while the sum is 68.

The spelling of 7161948099509 in words is "seven trillion, one hundred sixty-one billion, nine hundred forty-eight million, ninety-nine thousand, five hundred nine".