11554164611123 has 4 divisors (see below), whose sum is σ = 11554266976080. Its totient is φ = 11554062246168.

The previous prime is 11554164611107. The next prime is 11554164611173. The reversal of 11554164611123 is 32111646145511.

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

It is a cyclic number.

It is not a de Polignac number, because 11554164611123 - 2⁴ = 11554164611107 is a prime.

It is a super-2 number, since 2×11554164611123² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11554164611173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51012983 + ... + 51238976.

It is an arithmetic number, because the mean of its divisors is an integer number (2888566744020).

Almost surely, 2^{11554164611123} is an apocalyptic number.

11554164611123 is a deficient number, since it is larger than the sum of its proper divisors (102364957).

11554164611123 is a wasteful number, since it uses less digits than its factorization.

11554164611123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102364956.

The product of its digits is 86400, while the sum is 41.

The spelling of 11554164611123 in words is "eleven trillion, five hundred fifty-four billion, one hundred sixty-four million, six hundred eleven thousand, one hundred twenty-three".