60111761329 has 3 divisors (see below), whose sum is σ = 60112006507. Its totient is φ = 60111516152.

The previous prime is 60111761321. The next prime is 60111761351. The reversal of 60111761329 is 92316711106.

It is a happy number.

The square root of 60111761329 is 245177.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 56161890225 + 3949871104 = 236985^2 + 62848^2 .

It is not a de Polignac number, because 60111761329 - 2³ = 60111761321 is a prime.

It is a super-2 number, since 2×60111761329² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60111761321) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 122589 + ... + 367765.

Almost surely, 2^60111761329 is an apocalyptic number.

60111761329 is the 245177-th square number.

60111761329 is the 122589-th centered octagonal number.

It is an amenable number.

60111761329 is a deficient number, since it is larger than the sum of its proper divisors (245178).

60111761329 is an frugal number, since it uses more digits than its factorization.

60111761329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490354 (or 245177 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 60111761329 in words is "sixty billion, one hundred eleven million, seven hundred sixty-one thousand, three hundred twenty-nine".