11491428584 has 32 divisors (see below), whose sum is σ = 21999146400. Its totient is φ = 5625768000.

The previous prime is 11491428577. The next prime is 11491428593. The reversal of 11491428584 is 48582419411.

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, 69974 + ... + 166970.

It is an arithmetic number, because the mean of its divisors is an integer number (687473325).

Almost surely, 2^11491428584 is an apocalyptic number.

It is an amenable number.

11491428584 is a deficient number, since it is larger than the sum of its proper divisors (10507717816).

11491428584 is a wasteful number, since it uses less digits than its factorization.

11491428584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97313 (or 97309 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The spelling of 11491428584 in words is "eleven billion, four hundred ninety-one million, four hundred twenty-eight thousand, five hundred eighty-four".