105251247502 has 8 divisors (see below), whose sum is σ = 157936522896. Its totient is φ = 52605739872.

The previous prime is 105251247473. The next prime is 105251247511. The reversal of 105251247502 is 205742152501.

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

It is a super-2 number, since 2×105251247502² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9935323 + ... + 9945910.

It is an arithmetic number, because the mean of its divisors is an integer number (19742065362).

Almost surely, 2^105251247502 is an apocalyptic number.

105251247502 is a deficient number, since it is larger than the sum of its proper divisors (52685275394).

105251247502 is a wasteful number, since it uses less digits than its factorization.

105251247502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19883882.

The product of its (nonzero) digits is 28000, while the sum is 34.

The spelling of 105251247502 in words is "one hundred five billion, two hundred fifty-one million, two hundred forty-seven thousand, five hundred two".