118949216533 has 4 divisors (see below), whose sum is σ = 135941961760. Its totient is φ = 101956471308.

The previous prime is 118949216453. The next prime is 118949216543. The reversal of 118949216533 is 335612949811.

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, and also an emirpimes, since its reverse is a distinct semiprime: 335612949811 = 65963 ⋅5087897.

It is a cyclic number.

It is not a de Polignac number, because 118949216533 - 2²⁵ = 118915662101 is a prime.

It is a super-2 number, since 2×118949216533² (a number of 23 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 (118949216543) 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, 8496372603 + ... + 8496372616.

It is an arithmetic number, because the mean of its divisors is an integer number (33985490440).

Almost surely, 2^118949216533 is an apocalyptic number.

It is an amenable number.

118949216533 is a deficient number, since it is larger than the sum of its proper divisors (16992745227).

118949216533 is an equidigital number, since it uses as much as digits as its factorization.

118949216533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16992745226.

The product of its digits is 1399680, while the sum is 52.

The spelling of 118949216533 in words is "one hundred eighteen billion, nine hundred forty-nine million, two hundred sixteen thousand, five hundred thirty-three".