118535801 has 2 divisors, whose sum is σ = 118535802. Its totient is φ = 118535800.

The previous prime is 118535783. The next prime is 118535803. The reversal of 118535801 is 108535811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78340201 + 40195600 = 8851^2 + 6340^2 .

It is an emirp because it is prime and its reverse (108535811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118535801 is a prime.

It is a super-3 number, since 3×118535801³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 118535803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (118535803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59267900 + 59267901.

It is an arithmetic number, because the mean of its divisors is an integer number (59267901).

Almost surely, 2^118535801 is an apocalyptic number.

It is an amenable number.

118535801 is a deficient number, since it is larger than the sum of its proper divisors (1).

118535801 is an equidigital number, since it uses as much as digits as its factorization.

118535801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 32.

The square root of 118535801 is about 10887.4147987481. The cubic root of 118535801 is about 491.2280746106.

The spelling of 118535801 in words is "one hundred eighteen million, five hundred thirty-five thousand, eight hundred one".