650106521101 has 2 divisors, whose sum is σ = 650106521102. Its totient is φ = 650106521100.

The previous prime is 650106521093. The next prime is 650106521107. The reversal of 650106521101 is 101125601056.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463114275625 + 186992245476 = 680525^2 + 432426^2 .

It is a cyclic number.

It is not a de Polignac number, because 650106521101 - 2³ = 650106521093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 650106521101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650106521107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325053260550 + 325053260551.

It is an arithmetic number, because the mean of its divisors is an integer number (325053260551).

Almost surely, 2^650106521101 is an apocalyptic number.

It is an amenable number.

650106521101 is a deficient number, since it is larger than the sum of its proper divisors (1).

650106521101 is an equidigital number, since it uses as much as digits as its factorization.

650106521101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 650106521101 in words is "six hundred fifty billion, one hundred six million, five hundred twenty-one thousand, one hundred one".