105987248981 has 8 divisors (see below), whose sum is σ = 107308895904. Its totient is φ = 104666666320.

The previous prime is 105987248977. The next prime is 105987248987. The reversal of 105987248981 is 189842789501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105987248981 - 2² = 105987248977 is a prime.

It is a super-2 number, since 2×105987248981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 64706 + ... + 464931.

It is an arithmetic number, because the mean of its divisors is an integer number (13413611988).

Almost surely, 2^105987248981 is an apocalyptic number.

It is an amenable number.

105987248981 is a deficient number, since it is larger than the sum of its proper divisors (1321646923).

105987248981 is an equidigital number, since it uses as much as digits as its factorization.

105987248981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532131.

The product of its (nonzero) digits is 11612160, while the sum is 62.

The spelling of 105987248981 in words is "one hundred five billion, nine hundred eighty-seven million, two hundred forty-eight thousand, nine hundred eighty-one".