105551101005 has 16 divisors (see below), whose sum is σ = 193007727744. Its totient is φ = 48251931840.

The previous prime is 105551100959. The next prime is 105551101009. The reversal of 105551101005 is 500101155501.

It is not a de Polignac number, because 105551101005 - 2¹⁴ = 105551084621 is a prime.

It is a super-2 number, since 2×105551101005² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105551101009) 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, 502624186 + ... + 502624395.

It is an arithmetic number, because the mean of its divisors is an integer number (12062982984).

Almost surely, 2^105551101005 is an apocalyptic number.

105551101005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105551101005 is a deficient number, since it is larger than the sum of its proper divisors (87456626739).

105551101005 is a wasteful number, since it uses less digits than its factorization.

105551101005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005248596.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 105551101005 its reverse (500101155501), we get a palindrome (605652256506).

The spelling of 105551101005 in words is "one hundred five billion, five hundred fifty-one million, one hundred one thousand, five".