105321386502 has 12 divisors (see below), whose sum is σ = 228196337460. Its totient is φ = 35107128828.

The previous prime is 105321386431. The next prime is 105321386503. The reversal of 105321386502 is 205683123501.

105321386502 is a `hidden beast` number, since 1 + 0 + 53 + 21 + 3 + 86 + 502 = 666.

It is a super-2 number, since 2×105321386502² (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 (105321386503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2925594052 + ... + 2925594087.

It is an arithmetic number, because the mean of its divisors is an integer number (19016361455).

Almost surely, 2^105321386502 is an apocalyptic number.

105321386502 is an abundant number, since it is smaller than the sum of its proper divisors (122874950958).

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

105321386502 is a wasteful number, since it uses less digits than its factorization.

105321386502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851188147 (or 5851188144 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 105321386502 in words is "one hundred five billion, three hundred twenty-one million, three hundred eighty-six thousand, five hundred two".