105112531187 has 2 divisors, whose sum is σ = 105112531188. Its totient is φ = 105112531186.

The previous prime is 105112531163. The next prime is 105112531211. The reversal of 105112531187 is 781135211501.

It is a balanced prime because it is at equal distance from previous prime (105112531163) and next prime (105112531211).

It is a cyclic number.

It is not a de Polignac number, because 105112531187 - 2⁶ = 105112531123 is a prime.

It is a super-2 number, since 2×105112531187² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105112531487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52556265593 + 52556265594.

It is an arithmetic number, because the mean of its divisors is an integer number (52556265594).

Almost surely, 2^105112531187 is an apocalyptic number.

105112531187 is a deficient number, since it is larger than the sum of its proper divisors (1).

105112531187 is an equidigital number, since it uses as much as digits as its factorization.

105112531187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 35.

Adding to 105112531187 its reverse (781135211501), we get a palindrome (886247742688).

The spelling of 105112531187 in words is "one hundred five billion, one hundred twelve million, five hundred thirty-one thousand, one hundred eighty-seven".