103866487251 has 8 divisors (see below), whose sum is σ = 138490183680. Its totient is φ = 69243557832.

The previous prime is 103866487247. The next prime is 103866487259. The reversal of 103866487251 is 152784668301.

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

It is not a de Polignac number, because 103866487251 - 2² = 103866487247 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 103866487194 and 103866487203.

It is not an unprimeable number, because it can be changed into a prime (103866487259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317230 + ... + 555308.

It is an arithmetic number, because the mean of its divisors is an integer number (17311272960).

Almost surely, 2^103866487251 is an apocalyptic number.

103866487251 is a deficient number, since it is larger than the sum of its proper divisors (34623696429).

103866487251 is a wasteful number, since it uses less digits than its factorization.

103866487251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383505.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 103866487251 in words is "one hundred three billion, eight hundred sixty-six million, four hundred eighty-seven thousand, two hundred fifty-one".