11541004455542 has 4 divisors (see below), whose sum is σ = 17311506683316. Its totient is φ = 5770502227770.

The previous prime is 11541004455523. The next prime is 11541004455553. The reversal of 11541004455542 is 24555440014511.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11541004455542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2885251113884 + ... + 2885251113887.

It is an arithmetic number, because the mean of its divisors is an integer number (4327876670829).

Almost surely, 2^{11541004455542} is an apocalyptic number.

11541004455542 is a deficient number, since it is larger than the sum of its proper divisors (5770502227774).

11541004455542 is an equidigital number, since it uses as much as digits as its factorization.

11541004455542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5770502227773.

The product of its (nonzero) digits is 320000, while the sum is 41.

The spelling of 11541004455542 in words is "eleven trillion, five hundred forty-one billion, four million, four hundred fifty-five thousand, five hundred forty-two".