60505161231 has 4 divisors (see below), whose sum is σ = 80673548312. Its totient is φ = 40336774152.

The previous prime is 60505161181. The next prime is 60505161257. The reversal of 60505161231 is 13216150506.

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

It is not a de Polignac number, because 60505161231 - 2⁷ = 60505161103 is a prime.

It is a super-2 number, since 2×60505161231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60505161271) 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, 10084193536 + ... + 10084193541.

It is an arithmetic number, because the mean of its divisors is an integer number (20168387078).

Almost surely, 2^60505161231 is an apocalyptic number.

60505161231 is a deficient number, since it is larger than the sum of its proper divisors (20168387081).

60505161231 is a wasteful number, since it uses less digits than its factorization.

60505161231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20168387080.

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 60505161231 in words is "sixty billion, five hundred five million, one hundred sixty-one thousand, two hundred thirty-one".