105242920195 has 16 divisors (see below), whose sum is σ = 144392832000. Its totient is φ = 72136731744.

The previous prime is 105242920183. The next prime is 105242920199. The reversal of 105242920195 is 591029242501.

It is not a de Polignac number, because 105242920195 - 2⁵ = 105242920163 is a prime.

It is a super-2 number, since 2×105242920195² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105242920199) 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, 535695 + ... + 705304.

It is an arithmetic number, because the mean of its divisors is an integer number (9024552000).

Almost surely, 2^105242920195 is an apocalyptic number.

105242920195 is a deficient number, since it is larger than the sum of its proper divisors (39149911805).

105242920195 is a wasteful number, since it uses less digits than its factorization.

105242920195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243434.

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 105242920195 in words is "one hundred five billion, two hundred forty-two million, nine hundred twenty thousand, one hundred ninety-five".