102250545505 has 16 divisors (see below), whose sum is σ = 123027854400. Its totient is φ = 81582419520.

The previous prime is 102250545461. The next prime is 102250545547. The reversal of 102250545505 is 505545052201.

It is not a de Polignac number, because 102250545505 - 2¹⁵ = 102250512737 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12497506 + ... + 12505684.

It is an arithmetic number, because the mean of its divisors is an integer number (7689240900).

Almost surely, 2^102250545505 is an apocalyptic number.

It is an amenable number.

102250545505 is a deficient number, since it is larger than the sum of its proper divisors (20777308895).

102250545505 is an equidigital number, since it uses as much as digits as its factorization.

102250545505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14544.

The product of its (nonzero) digits is 50000, while the sum is 34.

Adding to 102250545505 its reverse (505545052201), we get a palindrome (607795597706).

The spelling of 102250545505 in words is "one hundred two billion, two hundred fifty million, five hundred forty-five thousand, five hundred five".