61122315061 has 2 divisors, whose sum is σ = 61122315062. Its totient is φ = 61122315060.

The previous prime is 61122314999. The next prime is 61122315071. The reversal of 61122315061 is 16051322116.

61122315061 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., 56688752836 + 4433562225 = 238094^2 + 66585^2 .

It is a cyclic number.

It is not a de Polignac number, because 61122315061 - 2²³ = 61113926453 is a prime.

It is a super-3 number, since 3×61122315061³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61122315071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30561157530 + 30561157531.

It is an arithmetic number, because the mean of its divisors is an integer number (30561157531).

Almost surely, 2^61122315061 is an apocalyptic number.

It is an amenable number.

61122315061 is a deficient number, since it is larger than the sum of its proper divisors (1).

61122315061 is an equidigital number, since it uses as much as digits as its factorization.

61122315061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 61122315061 its reverse (16051322116), we get a palindrome (77173637177).

The spelling of 61122315061 in words is "sixty-one billion, one hundred twenty-two million, three hundred fifteen thousand, sixty-one".