1109724422461 has 2 divisors, whose sum is σ = 1109724422462. Its totient is φ = 1109724422460.

The previous prime is 1109724422399. The next prime is 1109724422501. The reversal of 1109724422461 is 1642244279011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109691589561 + 32832900 = 1053419^2 + 5730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1109724422461 - 2²⁵ = 1109690868029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1109724423461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554862211230 + 554862211231.

It is an arithmetic number, because the mean of its divisors is an integer number (554862211231).

Almost surely, 2^{1109724422461} is an apocalyptic number.

It is an amenable number.

1109724422461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1109724422461 is an equidigital number, since it uses as much as digits as its factorization.

1109724422461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 1109724422461 in words is "one trillion, one hundred nine billion, seven hundred twenty-four million, four hundred twenty-two thousand, four hundred sixty-one".