11415305052 has 72 divisors (see below), whose sum is σ = 29975395632. Its totient is φ = 3798576000.

The previous prime is 11415305047. The next prime is 11415305063. The reversal of 11415305052 is 25050351411.

11415305052 is a `hidden beast` number, since 1 + 1 + 4 + 153 + 0 + 505 + 2 = 666.

It is a super-3 number, since 3×11415305052³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 574402 + ... + 593942.

Almost surely, 2^11415305052 is an apocalyptic number.

11415305052 is a gapful number since it is divisible by the number (12) 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 11415305052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14987697816).

11415305052 is an abundant number, since it is smaller than the sum of its proper divisors (18560090580).

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

11415305052 is a wasteful number, since it uses less digits than its factorization.

11415305052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161 (or 20147 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 11415305052 its reverse (25050351411), we get a palindrome (36465656463).

The spelling of 11415305052 in words is "eleven billion, four hundred fifteen million, three hundred five thousand, fifty-two".