11873473426565 has 16 divisors (see below), whose sum is σ = 14440219593408. Its totient is φ = 9371595148416.

The previous prime is 11873473426547. The next prime is 11873473426567. The reversal of 11873473426565 is 56562437437811.

It is a cyclic number.

It is not a de Polignac number, because 11873473426565 - 2⁶ = 11873473426501 is a prime.

It is a super-2 number, since 2×11873473426565² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11873473426498 and 11873473426507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11873473426567) 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, 53058707 + ... + 53282016.

It is an arithmetic number, because the mean of its divisors is an integer number (902513724588).

Almost surely, 2^{11873473426565} is an apocalyptic number.

It is an amenable number.

11873473426565 is a deficient number, since it is larger than the sum of its proper divisors (2566746166843).

11873473426565 is a wasteful number, since it uses less digits than its factorization.

11873473426565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106341028.

The product of its digits is 101606400, while the sum is 62.

The spelling of 11873473426565 in words is "eleven trillion, eight hundred seventy-three billion, four hundred seventy-three million, four hundred twenty-six thousand, five hundred sixty-five".