2522351146561 has 2 divisors, whose sum is σ = 2522351146562. Its totient is φ = 2522351146560.

The previous prime is 2522351146531. The next prime is 2522351146573. The reversal of 2522351146561 is 1656411532252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2189097793600 + 333253352961 = 1479560^2 + 577281^2 .

It is a cyclic number.

It is not a de Polignac number, because 2522351146561 - 2¹¹ = 2522351144513 is a prime.

It is not a weakly prime, because it can be changed into another prime (2522351146531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261175573280 + 1261175573281.

It is an arithmetic number, because the mean of its divisors is an integer number (1261175573281).

Almost surely, 2^{2522351146561} is an apocalyptic number.

It is an amenable number.

2522351146561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2522351146561 is an equidigital number, since it uses as much as digits as its factorization.

2522351146561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432000, while the sum is 43.

The spelling of 2522351146561 in words is "two trillion, five hundred twenty-two billion, three hundred fifty-one million, one hundred forty-six thousand, five hundred sixty-one".