55861511105 has 8 divisors (see below), whose sum is σ = 67220539200. Its totient is φ = 44564724976.

The previous prime is 55861511059. The next prime is 55861511117. The reversal of 55861511105 is 50111516855.

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 55861511105 - 2²⁶ = 55794402241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15558515 + ... + 15562104.

It is an arithmetic number, because the mean of its divisors is an integer number (8402567400).

Almost surely, 2^55861511105 is an apocalyptic number.

It is an amenable number.

55861511105 is a deficient number, since it is larger than the sum of its proper divisors (11359028095).

55861511105 is a wasteful number, since it uses less digits than its factorization.

55861511105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31120983.

The product of its (nonzero) digits is 30000, while the sum is 38.

The spelling of 55861511105 in words is "fifty-five billion, eight hundred sixty-one million, five hundred eleven thousand, one hundred five".