1154398234163 has 4 divisors (see below), whose sum is σ = 1154400412440. Its totient is φ = 1154396055888.

The previous prime is 1154398234151. The next prime is 1154398234183. The reversal of 1154398234163 is 3614328934511.

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 1154398234163 - 2²⁴ = 1154381456947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1154398234183) 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, 276983 + ... + 1544511.

It is an arithmetic number, because the mean of its divisors is an integer number (288600103110).

Almost surely, 2^{1154398234163} is an apocalyptic number.

1154398234163 is a deficient number, since it is larger than the sum of its proper divisors (2178277).

1154398234163 is an equidigital number, since it uses as much as digits as its factorization.

1154398234163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2178276.

The product of its digits is 1866240, while the sum is 50.

The spelling of 1154398234163 in words is "one trillion, one hundred fifty-four billion, three hundred ninety-eight million, two hundred thirty-four thousand, one hundred sixty-three".