61062667121 has 2 divisors, whose sum is σ = 61062667122. Its totient is φ = 61062667120.

The previous prime is 61062667021. The next prime is 61062667139. The reversal of 61062667121 is 12176626016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60989735521 + 72931600 = 246961^2 + 8540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61062667121 is a prime.

It is not a weakly prime, because it can be changed into another prime (61062667151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30531333560 + 30531333561.

It is an arithmetic number, because the mean of its divisors is an integer number (30531333561).

Almost surely, 2^61062667121 is an apocalyptic number.

It is an amenable number.

61062667121 is a deficient number, since it is larger than the sum of its proper divisors (1).

61062667121 is an equidigital number, since it uses as much as digits as its factorization.

61062667121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 61062667121 in words is "sixty-one billion, sixty-two million, six hundred sixty-seven thousand, one hundred twenty-one".