60518699139 has 4 divisors (see below), whose sum is σ = 80691598856. Its totient is φ = 40345799424.

The previous prime is 60518699113. The next prime is 60518699149. The reversal of 60518699139 is 93199681506.

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

It is not a de Polignac number, because 60518699139 - 2¹⁹ = 60518174851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60518699149) 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, 10086449854 + ... + 10086449859.

It is an arithmetic number, because the mean of its divisors is an integer number (20172899714).

Almost surely, 2^60518699139 is an apocalyptic number.

60518699139 is a deficient number, since it is larger than the sum of its proper divisors (20172899717).

60518699139 is a wasteful number, since it uses less digits than its factorization.

60518699139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20172899716.

The product of its (nonzero) digits is 3149280, while the sum is 57.

The spelling of 60518699139 in words is "sixty billion, five hundred eighteen million, six hundred ninety-nine thousand, one hundred thirty-nine".