11541210320 has 80 divisors (see below), whose sum is σ = 27517292352. Its totient is φ = 4499281920.

The previous prime is 11541210313. The next prime is 11541210367. The reversal of 11541210320 is 2301214511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11541210292 and 11541210301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685624 + ... + 1692456.

Almost surely, 2^11541210320 is an apocalyptic number.

11541210320 is a gapful number since it is divisible by the number (10) 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 11541210320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13758646176).

11541210320 is an abundant number, since it is smaller than the sum of its proper divisors (15976082032).

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

11541210320 is a wasteful number, since it uses less digits than its factorization.

11541210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380 (or 7374 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 11541210320 its reverse (2301214511), we get a palindrome (13842424831).

The spelling of 11541210320 in words is "eleven billion, five hundred forty-one million, two hundred ten thousand, three hundred twenty".