61051005079 has 2 divisors, whose sum is σ = 61051005080. Its totient is φ = 61051005078.

The previous prime is 61051005011. The next prime is 61051005137. The reversal of 61051005079 is 97050015016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61051005079 - 2⁷ = 61051004951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61051002079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525502539 + 30525502540.

It is an arithmetic number, because the mean of its divisors is an integer number (30525502540).

Almost surely, 2^61051005079 is an apocalyptic number.

61051005079 is a deficient number, since it is larger than the sum of its proper divisors (1).

61051005079 is an equidigital number, since it uses as much as digits as its factorization.

61051005079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 34.

The spelling of 61051005079 in words is "sixty-one billion, fifty-one million, five thousand, seventy-nine".