11156854541138 has 8 divisors (see below), whose sum is σ = 17091351637632. Its totient is φ = 5459737328596.

The previous prime is 11156854541137. The next prime is 11156854541141. The reversal of 11156854541138 is 83114545865111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11156854541138² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11156854541138.

It is not an unprimeable number, because it can be changed into a prime (11156854541137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59344970870 + ... + 59344971057.

It is an arithmetic number, because the mean of its divisors is an integer number (2136418954704).

Almost surely, 2^{11156854541138} is an apocalyptic number.

11156854541138 is a deficient number, since it is larger than the sum of its proper divisors (5934497096494).

11156854541138 is a wasteful number, since it uses less digits than its factorization.

11156854541138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118689941976.

The product of its digits is 2304000, while the sum is 53.

The spelling of 11156854541138 in words is "eleven trillion, one hundred fifty-six billion, eight hundred fifty-four million, five hundred forty-one thousand, one hundred thirty-eight".