6012139517 has 4 divisors (see below), whose sum is σ = 6037086396. Its totient is φ = 5987192640.

The previous prime is 6012139513. The next prime is 6012139531. The reversal of 6012139517 is 7159312106.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7159312106 = 2 ⋅3579656053.

It can be written as a sum of positive squares in 2 ways, for example, as 3961317721 + 2050821796 = 62939^2 + 45286^2 .

It is a cyclic number.

It is not a de Polignac number, because 6012139517 - 2² = 6012139513 is a prime.

It is a super-2 number, since 2×6012139517² = 72291643143745986578, which 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 (6012139513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12473078 + ... + 12473559.

It is an arithmetic number, because the mean of its divisors is an integer number (1509271599).

Almost surely, 2^6012139517 is an apocalyptic number.

It is an amenable number.

6012139517 is a deficient number, since it is larger than the sum of its proper divisors (24946879).

6012139517 is a wasteful number, since it uses less digits than its factorization.

6012139517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24946878.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 6012139517 is about 77537.9875738338. The cubic root of 6012139517 is about 1818.3452653917.

The spelling of 6012139517 in words is "six billion, twelve million, one hundred thirty-nine thousand, five hundred seventeen".