61059743551 has 4 divisors (see below), whose sum is σ = 61063131600. Its totient is φ = 61056355504.

The previous prime is 61059743533. The next prime is 61059743567. The reversal of 61059743551 is 15534795016.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61059743551 - 2¹¹ = 61059741503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61059243551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666846 + ... + 1703083.

It is an arithmetic number, because the mean of its divisors is an integer number (15265782900).

Almost surely, 2^61059743551 is an apocalyptic number.

61059743551 is a deficient number, since it is larger than the sum of its proper divisors (3388049).

61059743551 is a wasteful number, since it uses less digits than its factorization.

61059743551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3388048.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 61059743551 in words is "sixty-one billion, fifty-nine million, seven hundred forty-three thousand, five hundred fifty-one".