11591325054 has 12 divisors (see below), whose sum is σ = 25114537656. Its totient is φ = 3863775012.

The previous prime is 11591325049. The next prime is 11591325059. The reversal of 11591325054 is 45052319511.

It is a happy number.

11591325054 is a `hidden beast` number, since 1 + 15 + 9 + 132 + 505 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (11591325049) and next prime (11591325059).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11591325059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 321981234 + ... + 321981269.

It is an arithmetic number, because the mean of its divisors is an integer number (2092878138).

Almost surely, 2^11591325054 is an apocalyptic number.

11591325054 is an abundant number, since it is smaller than the sum of its proper divisors (13523212602).

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

11591325054 is a wasteful number, since it uses less digits than its factorization.

11591325054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643962511 (or 643962508 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 11591325054 in words is "eleven billion, five hundred ninety-one million, three hundred twenty-five thousand, fifty-four".