11541013047 has 6 divisors (see below), whose sum is σ = 16670352192. Its totient is φ = 7694008692.

The previous prime is 11541012997. The next prime is 11541013049. The reversal of 11541013047 is 74031014511.

11541013047 is a `hidden beast` number, since 115 + 410 + 130 + 4 + 7 = 666.

It is not a de Polignac number, because 11541013047 - 2¹⁶ = 11540947511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11541013047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11541013049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 641167383 + ... + 641167400.

It is an arithmetic number, because the mean of its divisors is an integer number (2778392032).

Almost surely, 2^11541013047 is an apocalyptic number.

11541013047 is a deficient number, since it is larger than the sum of its proper divisors (5129339145).

11541013047 is a wasteful number, since it uses less digits than its factorization.

11541013047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282334789 (or 1282334786 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 11541013047 its reverse (74031014511), we get a palindrome (85572027558).

The spelling of 11541013047 in words is "eleven billion, five hundred forty-one million, thirteen thousand, forty-seven".