1123164036511 has 8 divisors (see below), whose sum is σ = 1225277709264. Its totient is φ = 1021051672320.

The previous prime is 1123164036509. The next prime is 1123164036571. The reversal of 1123164036511 is 1156304613211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123164036511 - 2¹ = 1123164036509 is a prime.

It is a super-2 number, since 2×1123164036511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123164036571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2628975 + ... + 3026191.

It is an arithmetic number, because the mean of its divisors is an integer number (153159713658).

Almost surely, 2^{1123164036511} is an apocalyptic number.

1123164036511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1123164036511 is a deficient number, since it is larger than the sum of its proper divisors (102113672753).

1123164036511 is a wasteful number, since it uses less digits than its factorization.

1123164036511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654281.

The product of its (nonzero) digits is 12960, while the sum is 34.

Adding to 1123164036511 its reverse (1156304613211), we get a palindrome (2279468649722).

The spelling of 1123164036511 in words is "one trillion, one hundred twenty-three billion, one hundred sixty-four million, thirty-six thousand, five hundred eleven".