105551133155 has 16 divisors (see below), whose sum is σ = 136428799584. Its totient is φ = 77931590400.

The previous prime is 105551133151. The next prime is 105551133157. The reversal of 105551133155 is 551331155501.

It is not a de Polignac number, because 105551133155 - 2² = 105551133151 is a prime.

It is a super-2 number, since 2×105551133155² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105551133151) 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, 231380 + ... + 514430.

It is an arithmetic number, because the mean of its divisors is an integer number (8526799974).

Almost surely, 2^105551133155 is an apocalyptic number.

105551133155 is a deficient number, since it is larger than the sum of its proper divisors (30877666429).

105551133155 is a wasteful number, since it uses less digits than its factorization.

105551133155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288806.

The product of its (nonzero) digits is 28125, while the sum is 35.

Adding to 105551133155 its reverse (551331155501), we get a palindrome (656882288656).

The spelling of 105551133155 in words is "one hundred five billion, five hundred fifty-one million, one hundred thirty-three thousand, one hundred fifty-five".