5157820287515 has 8 divisors (see below), whose sum is σ = 7073582108640. Its totient is φ = 3536791054272.

The previous prime is 5157820287491. The next prime is 5157820287539.

5157820287515 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (5157820287491) and next prime (5157820287539).

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

It is not a de Polignac number, because 5157820287515 - 2¹² = 5157820283419 is a prime.

It is a super-2 number, since 2×5157820287515² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73683146930 + ... + 73683146999.

It is an arithmetic number, because the mean of its divisors is an integer number (884197763580).

Almost surely, 2^{5157820287515} is an apocalyptic number.

5157820287515 is a deficient number, since it is larger than the sum of its proper divisors (1915761821125).

5157820287515 is a wasteful number, since it uses less digits than its factorization.

5157820287515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147366293941.

The product of its (nonzero) digits is 7840000, while the sum is 56.

The spelling of 5157820287515 in words is "five trillion, one hundred fifty-seven billion, eight hundred twenty million, two hundred eighty-seven thousand, five hundred fifteen".