55161111516001 has 8 divisors (see below), whose sum is σ = 58134538723680. Its totient is φ = 52194705389568.

The previous prime is 55161111515987. The next prime is 55161111516023. The reversal of 55161111516001 is 10061511116155.

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

It is a cyclic number.

It is not a de Polignac number, because 55161111516001 - 2¹¹ = 55161111513953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55161111519001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755254176 + ... + 1755285601.

It is an arithmetic number, because the mean of its divisors is an integer number (7266817340460).

Almost surely, 2^{55161111516001} is an apocalyptic number.

It is an amenable number.

55161111516001 is a deficient number, since it is larger than the sum of its proper divisors (2973427207679).

55161111516001 is a wasteful number, since it uses less digits than its factorization.

55161111516001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510540623.

The product of its (nonzero) digits is 4500, while the sum is 34.

The spelling of 55161111516001 in words is "fifty-five trillion, one hundred sixty-one billion, one hundred eleven million, five hundred sixteen thousand, one".