100361506501 has 2 divisors, whose sum is σ = 100361506502. Its totient is φ = 100361506500.

The previous prime is 100361506477. The next prime is 100361506547. The reversal of 100361506501 is 105605163001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95634944001 + 4726562500 = 309249^2 + 68750^2 .

It is a cyclic number.

It is not a de Polignac number, because 100361506501 - 2⁹ = 100361505989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100361506501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100361506571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50180753250 + 50180753251.

It is an arithmetic number, because the mean of its divisors is an integer number (50180753251).

Almost surely, 2^100361506501 is an apocalyptic number.

It is an amenable number.

100361506501 is a deficient number, since it is larger than the sum of its proper divisors (1).

100361506501 is an equidigital number, since it uses as much as digits as its factorization.

100361506501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 100361506501 its reverse (105605163001), we get a palindrome (205966669502).

The spelling of 100361506501 in words is "one hundred billion, three hundred sixty-one million, five hundred six thousand, five hundred one".