1405231233161 has 4 divisors (see below), whose sum is σ = 1605978552192. Its totient is φ = 1204483914132.

The previous prime is 1405231233137. The next prime is 1405231233181. The reversal of 1405231233161 is 1613321325041.

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 1405231233161 - 2⁶ = 1405231233097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1405231233121) 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, 100373659505 + ... + 100373659518.

It is an arithmetic number, because the mean of its divisors is an integer number (401494638048).

Almost surely, 2^{1405231233161} is an apocalyptic number.

It is an amenable number.

1405231233161 is a deficient number, since it is larger than the sum of its proper divisors (200747319031).

1405231233161 is an equidigital number, since it uses as much as digits as its factorization.

1405231233161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200747319030.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 1405231233161 in words is "one trillion, four hundred five billion, two hundred thirty-one million, two hundred thirty-three thousand, one hundred sixty-one".