11071547904 has 160 divisors (see below), whose sum is σ = 31175147520. Its totient is φ = 3484495872.

The previous prime is 11071547887. The next prime is 11071547911. The reversal of 11071547904 is 40974517011.

It is a happy 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, 2788929 + ... + 2792895.

It is an arithmetic number, because the mean of its divisors is an integer number (194844672).

Almost surely, 2^11071547904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11071547904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15587573760).

11071547904 is an abundant number, since it is smaller than the sum of its proper divisors (20103599616).

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

11071547904 is an equidigital number, since it uses as much as digits as its factorization.

11071547904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4090 (or 4074 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 39.

The spelling of 11071547904 in words is "eleven billion, seventy-one million, five hundred forty-seven thousand, nine hundred four".