22051650504061 has 2 divisors, whose sum is σ = 22051650504062. Its totient is φ = 22051650504060.

The previous prime is 22051650504047. The next prime is 22051650504137. The reversal of 22051650504061 is 16040505615022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22047250702500 + 4399801561 = 4695450^2 + 66331^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22051650504061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22051650504061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22051650504011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025825252030 + 11025825252031.

It is an arithmetic number, because the mean of its divisors is an integer number (11025825252031).

Almost surely, 2^{22051650504061} is an apocalyptic number.

It is an amenable number.

22051650504061 is a deficient number, since it is larger than the sum of its proper divisors (1).

22051650504061 is an equidigital number, since it uses as much as digits as its factorization.

22051650504061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 22051650504061 in words is "twenty-two trillion, fifty-one billion, six hundred fifty million, five hundred four thousand, sixty-one".