61056550151 has 2 divisors, whose sum is σ = 61056550152. Its totient is φ = 61056550150.

The previous prime is 61056550057. The next prime is 61056550157. The reversal of 61056550151 is 15105565016.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61056550151 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61056550157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528275075 + 30528275076.

It is an arithmetic number, because the mean of its divisors is an integer number (30528275076).

Almost surely, 2^61056550151 is an apocalyptic number.

61056550151 is a deficient number, since it is larger than the sum of its proper divisors (1).

61056550151 is an equidigital number, since it uses as much as digits as its factorization.

61056550151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 61056550151 in words is "sixty-one billion, fifty-six million, five hundred fifty thousand, one hundred fifty-one".