11873435733161 has 4 divisors (see below), whose sum is σ = 11873447825232. Its totient is φ = 11873423641092.

The previous prime is 11873435733151. The next prime is 11873435733163. The reversal of 11873435733161 is 16133753437811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11873435733161 - 2¹⁸ = 11873435471017 is a prime.

It is a super-2 number, since 2×11873435733161² (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 (11873435733163) 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, 4428995 + ... + 6585048.

It is an arithmetic number, because the mean of its divisors is an integer number (2968361956308).

Almost surely, 2^{11873435733161} is an apocalyptic number.

It is an amenable number.

11873435733161 is a deficient number, since it is larger than the sum of its proper divisors (12092071).

11873435733161 is a wasteful number, since it uses less digits than its factorization.

11873435733161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12092070.

The product of its digits is 3810240, while the sum is 53.

The spelling of 11873435733161 in words is "eleven trillion, eight hundred seventy-three billion, four hundred thirty-five million, seven hundred thirty-three thousand, one hundred sixty-one".