11467571538 has 32 divisors (see below), whose sum is σ = 23210643456. Its totient is φ = 3776776848.

The previous prime is 11467571519. The next prime is 11467571627. The reversal of 11467571538 is 83517576411.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252831 + ... + 294717.

It is an arithmetic number, because the mean of its divisors is an integer number (725332608).

Almost surely, 2^11467571538 is an apocalyptic number.

11467571538 is an abundant number, since it is smaller than the sum of its proper divisors (11743071918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11467571538 is a wasteful number, since it uses less digits than its factorization.

11467571538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42438.

The product of its digits is 705600, while the sum is 48.

The spelling of 11467571538 in words is "eleven billion, four hundred sixty-seven million, five hundred seventy-one thousand, five hundred thirty-eight".