105987248988 has 12 divisors (see below), whose sum is σ = 247303581000. Its totient is φ = 35329082992.

The previous prime is 105987248987. The next prime is 105987248989. The reversal of 105987248988 is 889842789501.

It is an interprime number because it is at equal distance from previous prime (105987248987) and next prime (105987248989).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105987248988² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105987248987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4416135363 + ... + 4416135386.

It is an arithmetic number, because the mean of its divisors is an integer number (20608631750).

Almost surely, 2^105987248988 is an apocalyptic number.

It is an amenable number.

105987248988 is an abundant number, since it is smaller than the sum of its proper divisors (141316332012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105987248988 is a wasteful number, since it uses less digits than its factorization.

105987248988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8832270756 (or 8832270754 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 69.

The spelling of 105987248988 in words is "one hundred five billion, nine hundred eighty-seven million, two hundred forty-eight thousand, nine hundred eighty-eight".