11622013221541 has 2 divisors, whose sum is σ = 11622013221542. Its totient is φ = 11622013221540.

The previous prime is 11622013221493. The next prime is 11622013221547. The reversal of 11622013221541 is 14512231022611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6646749140641 + 4975264080900 = 2578129^2 + 2230530^2 .

It is a cyclic number.

It is not a de Polignac number, because 11622013221541 - 2¹⁷ = 11622013090469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11622013221547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5811006610770 + 5811006610771.

It is an arithmetic number, because the mean of its divisors is an integer number (5811006610771).

Almost surely, 2^{11622013221541} is an apocalyptic number.

It is an amenable number.

11622013221541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11622013221541 is an equidigital number, since it uses as much as digits as its factorization.

11622013221541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 11622013221541 in words is "eleven trillion, six hundred twenty-two billion, thirteen million, two hundred twenty-one thousand, five hundred forty-one".