61108227141449 has 2 divisors, whose sum is σ = 61108227141450. Its totient is φ = 61108227141448.

The previous prime is 61108227141443. The next prime is 61108227141487. The reversal of 61108227141449 is 94414172280116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57602513895424 + 3505713246025 = 7589632^2 + 1872355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61108227141449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61108227141397 and 61108227141406.

It is not a weakly prime, because it can be changed into another prime (61108227141443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30554113570724 + 30554113570725.

It is an arithmetic number, because the mean of its divisors is an integer number (30554113570725).

Almost surely, 2^{61108227141449} is an apocalyptic number.

It is an amenable number.

61108227141449 is a deficient number, since it is larger than the sum of its proper divisors (1).

61108227141449 is an equidigital number, since it uses as much as digits as its factorization.

61108227141449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 61108227141449 in words is "sixty-one trillion, one hundred eight billion, two hundred twenty-seven million, one hundred forty-one thousand, four hundred forty-nine".