5191157142085 has 8 divisors (see below), whose sum is σ = 6229404845856. Its totient is φ = 4152914863440.

The previous prime is 5191157142053. The next prime is 5191157142103. The reversal of 5191157142085 is 5802417511915.

It is a happy number.

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

It is not a de Polignac number, because 5191157142085 - 2⁵ = 5191157142053 is a prime.

It is a super-2 number, since 2×5191157142085² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1180030 + ... + 3431440.

It is an arithmetic number, because the mean of its divisors is an integer number (778675605732).

Almost surely, 2^{5191157142085} is an apocalyptic number.

It is an amenable number.

5191157142085 is a deficient number, since it is larger than the sum of its proper divisors (1038247703771).

5191157142085 is a wasteful number, since it uses less digits than its factorization.

5191157142085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712563.

The product of its (nonzero) digits is 504000, while the sum is 49.

The spelling of 5191157142085 in words is "five trillion, one hundred ninety-one billion, one hundred fifty-seven million, one hundred forty-two thousand, eighty-five".