105232216551 has 16 divisors (see below), whose sum is σ = 174931477248. Its totient is φ = 54666086400.

The previous prime is 105232216501. The next prime is 105232216597. The reversal of 105232216551 is 155612232501.

It is not a de Polignac number, because 105232216551 - 2⁷ = 105232216423 is a prime.

It is a super-2 number, since 2×105232216551² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105232216501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227775130 + ... + 227775591.

It is an arithmetic number, because the mean of its divisors is an integer number (10933217328).

Almost surely, 2^105232216551 is an apocalyptic number.

105232216551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105232216551 is a deficient number, since it is larger than the sum of its proper divisors (69699260697).

105232216551 is a wasteful number, since it uses less digits than its factorization.

105232216551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455550742.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 105232216551 in words is "one hundred five billion, two hundred thirty-two million, two hundred sixteen thousand, five hundred fifty-one".