118405090001 has 8 divisors (see below), whose sum is σ = 129191851584. Its totient is φ = 107622105520.

The previous prime is 118405089931. The next prime is 118405090073. The reversal of 118405090001 is 100090504811.

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

It is a cyclic number.

It is not a de Polignac number, because 118405090001 - 2¹⁸ = 118404827857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118405090081) 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, 878525 + ... + 1004298.

It is an arithmetic number, because the mean of its divisors is an integer number (16148981448).

Almost surely, 2^118405090001 is an apocalyptic number.

118405090001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

118405090001 is a deficient number, since it is larger than the sum of its proper divisors (10786761583).

118405090001 is a wasteful number, since it uses less digits than its factorization.

118405090001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888551.

The product of its (nonzero) digits is 1440, while the sum is 29.

Adding to 118405090001 its reverse (100090504811), we get a palindrome (218495594812).

The spelling of 118405090001 in words is "one hundred eighteen billion, four hundred five million, ninety thousand, one".