105112531149 has 8 divisors (see below), whose sum is σ = 140164874112. Its totient is φ = 70067604480.

The previous prime is 105112531129. The next prime is 105112531163. The reversal of 105112531149 is 941135211501.

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

It is not a de Polignac number, because 105112531149 - 2⁹ = 105112530637 is a prime.

It is a super-2 number, since 2×105112531149² (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 (105112531129) 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 in 7 ways as a sum of consecutive naturals, for example, 1820917 + ... + 1877754.

It is an arithmetic number, because the mean of its divisors is an integer number (17520609264).

Almost surely, 2^105112531149 is an apocalyptic number.

It is an amenable number.

105112531149 is a deficient number, since it is larger than the sum of its proper divisors (35052342963).

105112531149 is an equidigital number, since it uses as much as digits as its factorization.

105112531149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708147.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 105112531149 in words is "one hundred five billion, one hundred twelve million, five hundred thirty-one thousand, one hundred forty-nine".