11156854541047 has 16 divisors (see below), whose sum is σ = 11309917357440. Its totient is φ = 11004644448000.

The previous prime is 11156854541033. The next prime is 11156854541099. The reversal of 11156854541047 is 74014545865111.

It is a cyclic number.

It is not a de Polignac number, because 11156854541047 - 2³¹ = 11154707057399 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11156854540985 and 11156854541003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11156854544047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135705229 + ... + 135787417.

It is an arithmetic number, because the mean of its divisors is an integer number (706869834840).

Almost surely, 2^{11156854541047} is an apocalyptic number.

11156854541047 is a deficient number, since it is larger than the sum of its proper divisors (153062816393).

11156854541047 is a wasteful number, since it uses less digits than its factorization.

11156854541047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87354.

The product of its (nonzero) digits is 2688000, while the sum is 52.

The spelling of 11156854541047 in words is "eleven trillion, one hundred fifty-six billion, eight hundred fifty-four million, five hundred forty-one thousand, forty-seven".