11887417648 has 20 divisors (see below), whose sum is σ = 23375633080. Its totient is φ = 5854996224.

The previous prime is 11887417643. The next prime is 11887417649. The reversal of 11887417648 is 84671478811.

It is not an unprimeable number, because it can be changed into a prime (11887417643) 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, 5543433 + ... + 5545576.

It is an arithmetic number, because the mean of its divisors is an integer number (1168781654).

Almost surely, 2^11887417648 is an apocalyptic number.

It is an amenable number.

11887417648 is a deficient number, since it is larger than the sum of its proper divisors (11488215432).

11887417648 is a wasteful number, since it uses less digits than its factorization.

11887417648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11089084 (or 11089078 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 55.

The spelling of 11887417648 in words is "eleven billion, eight hundred eighty-seven million, four hundred seventeen thousand, six hundred forty-eight".