118894235953 has 4 divisors (see below), whose sum is σ = 120071406708. Its totient is φ = 117717065200.

The previous prime is 118894235917. The next prime is 118894235959. The reversal of 118894235953 is 359532498811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 359532498811 = 101 ⋅3559727711.

It can be written as a sum of positive squares in 2 ways, for example, as 106346427664 + 12547808289 = 326108^2 + 112017^2 .

It is a cyclic number.

It is not a de Polignac number, because 118894235953 - 2²¹ = 118892138801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118894235959) 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, 588585226 + ... + 588585427.

It is an arithmetic number, because the mean of its divisors is an integer number (30017851677).

Almost surely, 2^118894235953 is an apocalyptic number.

It is an amenable number.

118894235953 is a deficient number, since it is larger than the sum of its proper divisors (1177170755).

118894235953 is a wasteful number, since it uses less digits than its factorization.

118894235953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177170754.

The product of its digits is 9331200, while the sum is 58.

The spelling of 118894235953 in words is "one hundred eighteen billion, eight hundred ninety-four million, two hundred thirty-five thousand, nine hundred fifty-three".