61467090145061 has 2 divisors, whose sum is σ = 61467090145062. Its totient is φ = 61467090145060.

The previous prime is 61467090145003. The next prime is 61467090145063. The reversal of 61467090145061 is 16054109076416.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52088986252900 + 9378103892161 = 7217270^2 + 3062369^2 .

It is a cyclic number.

It is not a de Polignac number, because 61467090145061 - 2¹⁸ = 61467089882917 is a prime.

Together with 61467090145063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61467090145063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30733545072530 + 30733545072531.

It is an arithmetic number, because the mean of its divisors is an integer number (30733545072531).

Almost surely, 2^{61467090145061} is an apocalyptic number.

It is an amenable number.

61467090145061 is a deficient number, since it is larger than the sum of its proper divisors (1).

61467090145061 is an equidigital number, since it uses as much as digits as its factorization.

61467090145061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 61467090145061 in words is "sixty-one trillion, four hundred sixty-seven billion, ninety million, one hundred forty-five thousand, sixty-one".