11115552504 has 64 divisors (see below), whose sum is σ = 31828435200. Its totient is φ = 3168900864.

The previous prime is 11115552457. The next prime is 11115552533. The reversal of 11115552504 is 40525551111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4387 + ... + 149165.

It is an arithmetic number, because the mean of its divisors is an integer number (497319300).

Almost surely, 2^11115552504 is an apocalyptic number.

11115552504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11115552504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15914217600).

11115552504 is an abundant number, since it is smaller than the sum of its proper divisors (20712882696).

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

11115552504 is a wasteful number, since it uses less digits than its factorization.

11115552504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145252 (or 145248 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 30.

The spelling of 11115552504 in words is "eleven billion, one hundred fifteen million, five hundred fifty-two thousand, five hundred four".