118261180801 has 4 divisors (see below), whose sum is σ = 118262393392. Its totient is φ = 118259968212.

The previous prime is 118261180783. The next prime is 118261180811. The reversal of 118261180801 is 108081162811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118261180801 - 2¹³ = 118261172609 is a prime.

It is a super-2 number, since 2×118261180801² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118261180811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445851 + ... + 659776.

It is an arithmetic number, because the mean of its divisors is an integer number (29565598348).

Almost surely, 2^118261180801 is an apocalyptic number.

It is an amenable number.

118261180801 is a deficient number, since it is larger than the sum of its proper divisors (1212591).

118261180801 is a wasteful number, since it uses less digits than its factorization.

118261180801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212590.

The product of its (nonzero) digits is 6144, while the sum is 37.

The spelling of 118261180801 in words is "one hundred eighteen billion, two hundred sixty-one million, one hundred eighty thousand, eight hundred one".