15161115555601 has 8 divisors (see below), whose sum is σ = 15170218519680. Its totient is φ = 15152015277168.

The previous prime is 15161115555571. The next prime is 15161115555611. The reversal of 15161115555601 is 10655551116151.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15161115555601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15161115555611) 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, 10679970 + ... + 12015988.

It is an arithmetic number, because the mean of its divisors is an integer number (1896277314960).

Almost surely, 2^{15161115555601} is an apocalyptic number.

It is an amenable number.

15161115555601 is a deficient number, since it is larger than the sum of its proper divisors (9102964079).

15161115555601 is a wasteful number, since it uses less digits than its factorization.

15161115555601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342823.

The product of its (nonzero) digits is 112500, while the sum is 43.

The spelling of 15161115555601 in words is "fifteen trillion, one hundred sixty-one billion, one hundred fifteen million, five hundred fifty-five thousand, six hundred one".