105050453987 has 16 divisors (see below), whose sum is σ = 106711218432. Its totient is φ = 103402414080.

The previous prime is 105050453947. The next prime is 105050453993. The reversal of 105050453987 is 789354050501.

It is a cyclic number.

It is not a de Polignac number, because 105050453987 - 2¹⁴ = 105050437603 is a prime.

It is a super-2 number, since 2×105050453987² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105050453947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34543187 + ... + 34546227.

It is an arithmetic number, because the mean of its divisors is an integer number (6669451152).

Almost surely, 2^105050453987 is an apocalyptic number.

105050453987 is a deficient number, since it is larger than the sum of its proper divisors (1660764445).

105050453987 is a wasteful number, since it uses less digits than its factorization.

105050453987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 105050453987 in words is "one hundred five billion, fifty million, four hundred fifty-three thousand, nine hundred eighty-seven".