105111515004 has 12 divisors (see below), whose sum is σ = 245260201704. Its totient is φ = 35037171664.

The previous prime is 105111514993. The next prime is 105111515027. The reversal of 105111515004 is 400515111501.

105111515004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×105111515004² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4379646447 + ... + 4379646470.

It is an arithmetic number, because the mean of its divisors is an integer number (20438350142).

Almost surely, 2^105111515004 is an apocalyptic number.

It is an amenable number.

105111515004 is an abundant number, since it is smaller than the sum of its proper divisors (140148686700).

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

105111515004 is a wasteful number, since it uses less digits than its factorization.

105111515004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8759292924 (or 8759292922 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 24.

Adding to 105111515004 its reverse (400515111501), we get a palindrome (505626626505).

The spelling of 105111515004 in words is "one hundred five billion, one hundred eleven million, five hundred fifteen thousand, four".