105011487 has 24 divisors (see below), whose sum is σ = 175046144. Its totient is φ = 59420304.

The previous prime is 105011483. The next prime is 105011507. The reversal of 105011487 is 784110501.

105011487 is a `hidden beast` number, since 10 + 501 + 148 + 7 = 666.

It is not a de Polignac number, because 105011487 - 2² = 105011483 is a prime.

It is a super-2 number, since 2×105011487² = 22054824803902338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105011487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105011483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1603 + ... + 14580.

Almost surely, 2^105011487 is an apocalyptic number.

105011487 is a deficient number, since it is larger than the sum of its proper divisors (70034657).

105011487 is a wasteful number, since it uses less digits than its factorization.

105011487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16299 (or 16296 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 105011487 is about 10247.5112588374. The cubic root of 105011487 is about 471.7866012617.

Adding to 105011487 its reverse (784110501), we get a palindrome (889121988).

The spelling of 105011487 in words is "one hundred five million, eleven thousand, four hundred eighty-seven".