105036861123 has 12 divisors (see below), whose sum is σ = 152650709640. Its totient is φ = 69594974496.

The previous prime is 105036861121. The next prime is 105036861161. The reversal of 105036861123 is 321168630501.

105036861123 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 36 + 8 + 611 + 2 + 3 = 666.

It is not a de Polignac number, because 105036861123 - 2¹ = 105036861121 is a prime.

It is a super-2 number, since 2×105036861123² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105036861121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35798418 + ... + 35801351.

It is an arithmetic number, because the mean of its divisors is an integer number (12720892470).

Almost surely, 2^105036861123 is an apocalyptic number.

105036861123 is a deficient number, since it is larger than the sum of its proper divisors (47613848517).

105036861123 is a wasteful number, since it uses less digits than its factorization.

105036861123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71599938 (or 71599935 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 105036861123 in words is "one hundred five billion, thirty-six million, eight hundred sixty-one thousand, one hundred twenty-three".