48032512509 has 4 divisors (see below), whose sum is σ = 64043350016. Its totient is φ = 32021675004.

The previous prime is 48032512501. The next prime is 48032512529. The reversal of 48032512509 is 90521523084.

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 not a de Polignac number, because 48032512509 - 2³ = 48032512501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48032512501) 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, 8005418749 + ... + 8005418754.

It is an arithmetic number, because the mean of its divisors is an integer number (16010837504).

Almost surely, 2^48032512509 is an apocalyptic number.

It is an amenable number.

48032512509 is a deficient number, since it is larger than the sum of its proper divisors (16010837507).

48032512509 is a wasteful number, since it uses less digits than its factorization.

48032512509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16010837506.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 48032512509 in words is "forty-eight billion, thirty-two million, five hundred twelve thousand, five hundred nine".