11541530420 has 24 divisors (see below), whose sum is σ = 27699673344. Its totient is φ = 3957096096.

The previous prime is 11541530393. The next prime is 11541530431. The reversal of 11541530420 is 2403514511.

It is a self number, because there is not a number n which added to its sum of digits gives 11541530420.

It is a congruent number.

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, 41219612 + ... + 41219891.

It is an arithmetic number, because the mean of its divisors is an integer number (1154153056).

Almost surely, 2^11541530420 is an apocalyptic number.

11541530420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11541530420 is an abundant number, since it is smaller than the sum of its proper divisors (16158142924).

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

11541530420 is a wasteful number, since it uses less digits than its factorization.

11541530420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82439519 (or 82439517 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The spelling of 11541530420 in words is "eleven billion, five hundred forty-one million, five hundred thirty thousand, four hundred twenty".