61056882437 has 2 divisors, whose sum is σ = 61056882438. Its totient is φ = 61056882436.

The previous prime is 61056882349. The next prime is 61056882517. The reversal of 61056882437 is 73428865016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61055444836 + 1437601 = 247094^2 + 1199^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61056882437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61056882737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30528441218 + 30528441219.

It is an arithmetic number, because the mean of its divisors is an integer number (30528441219).

Almost surely, 2^61056882437 is an apocalyptic number.

It is an amenable number.

61056882437 is a deficient number, since it is larger than the sum of its proper divisors (1).

61056882437 is an equidigital number, since it uses as much as digits as its factorization.

61056882437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 50.

The spelling of 61056882437 in words is "sixty-one billion, fifty-six million, eight hundred eighty-two thousand, four hundred thirty-seven".