105551322142 has 8 divisors (see below), whose sum is σ = 180945123696. Its totient is φ = 45236280912.

The previous prime is 105551322119. The next prime is 105551322143. The reversal of 105551322142 is 241223155501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105551322142² (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 (105551322143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769690063 + ... + 3769690090.

It is an arithmetic number, because the mean of its divisors is an integer number (22618140462).

Almost surely, 2^105551322142 is an apocalyptic number.

105551322142 is a deficient number, since it is larger than the sum of its proper divisors (75393801554).

105551322142 is an equidigital number, since it uses as much as digits as its factorization.

105551322142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539380162.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 105551322142 its reverse (241223155501), we get a palindrome (346774477643).

The spelling of 105551322142 in words is "one hundred five billion, five hundred fifty-one million, three hundred twenty-two thousand, one hundred forty-two".