105404502513 has 32 divisors (see below), whose sum is σ = 143387937792. Its totient is φ = 68864328000.

The previous prime is 105404502509. The next prime is 105404502523. The reversal of 105404502513 is 315205404501.

It is not a de Polignac number, because 105404502513 - 2² = 105404502509 is a prime.

It is a super-2 number, since 2×105404502513² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105404502503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10261206 + ... + 10271472.

It is an arithmetic number, because the mean of its divisors is an integer number (4480873056).

Almost surely, 2^105404502513 is an apocalyptic number.

It is an amenable number.

105404502513 is a deficient number, since it is larger than the sum of its proper divisors (37983435279).

105404502513 is a wasteful number, since it uses less digits than its factorization.

105404502513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10725.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 105404502513 in words is "one hundred five billion, four hundred four million, five hundred two thousand, five hundred thirteen".