190500780101 has 2 divisors, whose sum is σ = 190500780102. Its totient is φ = 190500780100.

The previous prime is 190500780059. The next prime is 190500780227. The reversal of 190500780101 is 101087005091.

190500780101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103458079201 + 87042700900 = 321649^2 + 295030^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-190500780101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (190500780901) by changing a digit.

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 as a sum of consecutive naturals, namely, 95250390050 + 95250390051.

It is an arithmetic number, because the mean of its divisors is an integer number (95250390051).

Almost surely, 2^190500780101 is an apocalyptic number.

It is an amenable number.

190500780101 is a deficient number, since it is larger than the sum of its proper divisors (1).

190500780101 is an equidigital number, since it uses as much as digits as its factorization.

190500780101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 32.

Adding to 190500780101 its reverse (101087005091), we get a palindrome (291587785192).

The spelling of 190500780101 in words is "one hundred ninety billion, five hundred million, seven hundred eighty thousand, one hundred one".