105611110500551 has 8 divisors (see below), whose sum is σ = 111172456636800. Its totient is φ = 100050051027960.

The previous prime is 105611110500547. The next prime is 105611110500569. The reversal of 105611110500551 is 155005011116501.

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 105611110500551 - 2² = 105611110500547 is a prime.

It is a super-2 number, since 2×105611110500551² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105611110502551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70909481 + ... + 72383538.

It is an arithmetic number, because the mean of its divisors is an integer number (13896557079600).

Almost surely, 2^{105611110500551} is an apocalyptic number.

105611110500551 is a deficient number, since it is larger than the sum of its proper divisors (5561346136249).

105611110500551 is a wasteful number, since it uses less digits than its factorization.

105611110500551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143331829.

The product of its (nonzero) digits is 3750, while the sum is 32.

The spelling of 105611110500551 in words is "one hundred five trillion, six hundred eleven billion, one hundred ten million, five hundred thousand, five hundred fifty-one".