118877220283081 has 4 divisors (see below), whose sum is σ = 128021621843332. Its totient is φ = 109732818722832.

The previous prime is 118877220283043. The next prime is 118877220283103. The reversal of 118877220283081 is 180382022778811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24304318263481 + 94572902019600 = 4929941^2 + 9724860^2 .

It is a cyclic number.

It is not a de Polignac number, because 118877220283081 - 2¹³ = 118877220274889 is a prime.

It is a super-2 number, since 2×118877220283081² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118877220283681) 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, 4572200780106 + ... + 4572200780131.

It is an arithmetic number, because the mean of its divisors is an integer number (32005405460833).

Almost surely, 2^{118877220283081} is an apocalyptic number.

It is an amenable number.

118877220283081 is a deficient number, since it is larger than the sum of its proper divisors (9144401560251).

118877220283081 is an equidigital number, since it uses as much as digits as its factorization.

118877220283081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9144401560250.

The product of its (nonzero) digits is 4816896, while the sum is 58.

The spelling of 118877220283081 in words is "one hundred eighteen trillion, eight hundred seventy-seven billion, two hundred twenty million, two hundred eighty-three thousand, eighty-one".