11470064640 has 88 divisors (see below), whose sum is σ = 36686334000. Its totient is φ = 3058679808.

The previous prime is 11470064623. The next prime is 11470064651. The reversal of 11470064640 is 4646007411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 358015 + ... + 388734.

Almost surely, 2^11470064640 is an apocalyptic number.

11470064640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11470064640 is an abundant number, since it is smaller than the sum of its proper divisors (25216269360).

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

11470064640 is an equidigital number, since it uses as much as digits as its factorization.

11470064640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746777 (or 746759 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 11470064640 in words is "eleven billion, four hundred seventy million, sixty-four thousand, six hundred forty".