58240651561 has 9 divisors (see below), whose sum is σ = 58487609271. Its totient is φ = 57994735272.

The previous prime is 58240651537. The next prime is 58240651571. The reversal of 58240651561 is 16515604285.

The square root of 58240651561 is 241331.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 31657305625 + 26583345936 = 177925^2 + 163044^2 .

It is not a de Polignac number, because 58240651561 - 2⁷ = 58240651433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58240651571) 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 8 ways as a sum of consecutive naturals, for example, 90016140 + ... + 90016786.

Almost surely, 2^58240651561 is an apocalyptic number.

58240651561 is the 241331-st square number.

58240651561 is the 120666-th centered octagonal number.

It is an amenable number.

58240651561 is a deficient number, since it is larger than the sum of its proper divisors (246957710).

58240651561 is an frugal number, since it uses more digits than its factorization.

58240651561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 58240651561 in words is "fifty-eight billion, two hundred forty million, six hundred fifty-one thousand, five hundred sixty-one".