5156521008537 has 16 divisors (see below), whose sum is σ = 6969813580800. Its totient is φ = 3390592846992.

The previous prime is 5156521008517. The next prime is 5156521008557. The reversal of 5156521008537 is 7358001256515.

It is an interprime number because it is at equal distance from previous prime (5156521008517) and next prime (5156521008557).

It is not a de Polignac number, because 5156521008537 - 2¹⁰ = 5156521007513 is a prime.

It is a super-2 number, since 2×5156521008537² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5156521008517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17137093 + ... + 17435394.

It is an arithmetic number, because the mean of its divisors is an integer number (435613348800).

Almost surely, 2^{5156521008537} is an apocalyptic number.

It is an amenable number.

5156521008537 is a deficient number, since it is larger than the sum of its proper divisors (1813292572263).

5156521008537 is a wasteful number, since it uses less digits than its factorization.

5156521008537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34573172.

The product of its (nonzero) digits is 1260000, while the sum is 48.

The spelling of 5156521008537 in words is "five trillion, one hundred fifty-six billion, five hundred twenty-one million, eight thousand, five hundred thirty-seven".