5111251534505 has 8 divisors (see below), whose sum is σ = 6299272161672. Its totient is φ = 3978487680768.

The previous prime is 5111251534489. The next prime is 5111251534513. The reversal of 5111251534505 is 5054351521115.

It can be written as a sum of positive squares in 4 ways, for example, as 1434111631936 + 3677139902569 = 1197544^2 + 1917587^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5111251534505 - 2⁴ = 5111251534489 is a prime.

It is a super-2 number, since 2×5111251534505² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13814193152 + ... + 13814193521.

It is an arithmetic number, because the mean of its divisors is an integer number (787409020209).

Almost surely, 2^{5111251534505} is an apocalyptic number.

It is an amenable number.

5111251534505 is a deficient number, since it is larger than the sum of its proper divisors (1188020627167).

5111251534505 is a wasteful number, since it uses less digits than its factorization.

5111251534505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27628386715.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 5111251534505 in words is "five trillion, one hundred eleven billion, two hundred fifty-one million, five hundred thirty-four thousand, five hundred five".