61150110149 has 2 divisors, whose sum is σ = 61150110150. Its totient is φ = 61150110148.

The previous prime is 61150110113. The next prime is 61150110163. The reversal of 61150110149 is 94101105116.

61150110149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57094713025 + 4055397124 = 238945^2 + 63682^2 .

It is a cyclic number.

It is not a de Polignac number, because 61150110149 - 2²⁴ = 61133332933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61150110349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30575055074 + 30575055075.

It is an arithmetic number, because the mean of its divisors is an integer number (30575055075).

Almost surely, 2^61150110149 is an apocalyptic number.

It is an amenable number.

61150110149 is a deficient number, since it is larger than the sum of its proper divisors (1).

61150110149 is an equidigital number, since it uses as much as digits as its factorization.

61150110149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 61150110149 in words is "sixty-one billion, one hundred fifty million, one hundred ten thousand, one hundred forty-nine".