105112531162 has 4 divisors (see below), whose sum is σ = 157668796746. Its totient is φ = 52556265580.

The previous prime is 105112531129. The next prime is 105112531163. The reversal of 105112531162 is 261135211501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 261135211501 = 28219 ⋅9253879.

It can be written as a sum of positive squares in only one way, i.e., 67313783601 + 37798747561 = 259449^2 + 194419^2 .

It is a super-2 number, since 2×105112531162² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105112531162.

It is not an unprimeable number, because it can be changed into a prime (105112531163) 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 as a sum of consecutive naturals, namely, 26278132789 + ... + 26278132792.

Almost surely, 2^105112531162 is an apocalyptic number.

105112531162 is a deficient number, since it is larger than the sum of its proper divisors (52556265584).

105112531162 is an equidigital number, since it uses as much as digits as its factorization.

105112531162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52556265583.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 105112531162 its reverse (261135211501), we get a palindrome (366247742663).

The spelling of 105112531162 in words is "one hundred five billion, one hundred twelve million, five hundred thirty-one thousand, one hundred sixty-two".