61056606551 has 8 divisors (see below), whose sum is σ = 61134458880. Its totient is φ = 60978803832.

The previous prime is 61056606539. The next prime is 61056606599. The reversal of 61056606551 is 15560665016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61056606551 is a prime.

It is a super-2 number, since 2×61056606551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61056606499 and 61056606508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61056606521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2858156 + ... + 2879438.

It is an arithmetic number, because the mean of its divisors is an integer number (7641807360).

Almost surely, 2^61056606551 is an apocalyptic number.

61056606551 is a deficient number, since it is larger than the sum of its proper divisors (77852329).

61056606551 is a wasteful number, since it uses less digits than its factorization.

61056606551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24805.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 61056606551 in words is "sixty-one billion, fifty-six million, six hundred six thousand, five hundred fifty-one".