38587115513 has 16 divisors (see below), whose sum is σ = 39494985600. Its totient is φ = 37688232960.

The previous prime is 38587115509. The next prime is 38587115521. The reversal of 38587115513 is 31551178583.

It is a cyclic number.

It is not a de Polignac number, because 38587115513 - 2² = 38587115509 is a prime.

It is a super-3 number, since 3×38587115513³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38587115533) 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, 11624468 + ... + 11627786.

It is an arithmetic number, because the mean of its divisors is an integer number (2468436600).

Almost surely, 2^38587115513 is an apocalyptic number.

It is an amenable number.

38587115513 is a deficient number, since it is larger than the sum of its proper divisors (907870087).

38587115513 is a wasteful number, since it uses less digits than its factorization.

38587115513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4592.

The product of its digits is 504000, while the sum is 47.

The spelling of 38587115513 in words is "thirty-eight billion, five hundred eighty-seven million, one hundred fifteen thousand, five hundred thirteen".