118432637485453 has 8 divisors (see below), whose sum is σ = 120086923693176. Its totient is φ = 116779214016000.

The previous prime is 118432637485447. The next prime is 118432637485457. The reversal of 118432637485453 is 354584736234811.

It can be written as a sum of positive squares in 4 ways, for example, as 2313629607844 + 116119007877609 = 1521062^2 + 10775853^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118432637485453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118432637485457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215408098 + ... + 215957203.

It is an arithmetic number, because the mean of its divisors is an integer number (15010865461647).

Almost surely, 2^{118432637485453} is an apocalyptic number.

It is an amenable number.

118432637485453 is a deficient number, since it is larger than the sum of its proper divisors (1654286207723).

118432637485453 is an equidigital number, since it uses as much as digits as its factorization.

118432637485453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431369135.

The product of its digits is 232243200, while the sum is 64.

The spelling of 118432637485453 in words is "one hundred eighteen trillion, four hundred thirty-two billion, six hundred thirty-seven million, four hundred eighty-five thousand, four hundred fifty-three".