48508687815281 has 4 divisors (see below), whose sum is σ = 48508771686000. Its totient is φ = 48508603944564.

The previous prime is 48508687815257. The next prime is 48508687815299. The reversal of 48508687815281 is 18251878680584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48508687815281 - 2²⁶ = 48508620706417 is a prime.

It is a super-2 number, since 2×48508687815281² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48508687815221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41061731 + ... + 42226568.

It is an arithmetic number, because the mean of its divisors is an integer number (12127192921500).

Almost surely, 2^{48508687815281} is an apocalyptic number.

It is an amenable number.

48508687815281 is a deficient number, since it is larger than the sum of its proper divisors (83870719).

48508687815281 is an equidigital number, since it uses as much as digits as its factorization.

48508687815281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83870718.

The product of its (nonzero) digits is 275251200, while the sum is 71.

The spelling of 48508687815281 in words is "forty-eight trillion, five hundred eight billion, six hundred eighty-seven million, eight hundred fifteen thousand, two hundred eighty-one".