22152145517 has 2 divisors, whose sum is σ = 22152145518. Its totient is φ = 22152145516.

The previous prime is 22152145513. The next prime is 22152145531. The reversal of 22152145517 is 71554125122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21401056681 + 751088836 = 146291^2 + 27406^2 .

It is a cyclic number.

It is not a de Polignac number, because 22152145517 - 2² = 22152145513 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22152145513) 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, 11076072758 + 11076072759.

It is an arithmetic number, because the mean of its divisors is an integer number (11076072759).

Almost surely, 2^22152145517 is an apocalyptic number.

It is an amenable number.

22152145517 is a deficient number, since it is larger than the sum of its proper divisors (1).

22152145517 is an equidigital number, since it uses as much as digits as its factorization.

22152145517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28000, while the sum is 35.

The spelling of 22152145517 in words is "twenty-two billion, one hundred fifty-two million, one hundred forty-five thousand, five hundred seventeen".