100105111050145 has 32 divisors (see below), whose sum is σ = 126133944111360. Its totient is φ = 76123736789760.

The previous prime is 100105111050059. The next prime is 100105111050221. The reversal of 100105111050145 is 541050111501001.

It is a happy number.

It is not a de Polignac number, because 100105111050145 - 2⁹ = 100105111049633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10578711 + ... + 17666899.

It is an arithmetic number, because the mean of its divisors is an integer number (3941685753480).

Almost surely, 2^{100105111050145} is an apocalyptic number.

It is an amenable number.

100105111050145 is a deficient number, since it is larger than the sum of its proper divisors (26028833061215).

100105111050145 is a wasteful number, since it uses less digits than its factorization.

100105111050145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7088985.

The product of its (nonzero) digits is 500, while the sum is 25.

Adding to 100105111050145 its reverse (541050111501001), we get a palindrome (641155222551146).

The spelling of 100105111050145 in words is "one hundred trillion, one hundred five billion, one hundred eleven million, fifty thousand, one hundred forty-five".