118865562421 has 8 divisors (see below), whose sum is σ = 120548563200. Its totient is φ = 117182807280.

The previous prime is 118865562383. The next prime is 118865562451. The reversal of 118865562421 is 124265568811.

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 118865562421 - 2⁷ = 118865562293 is a prime.

It is a super-3 number, since 3×118865562421³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118865562451) 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, 1056100 + ... + 1163218.

It is an arithmetic number, because the mean of its divisors is an integer number (15068570400).

Almost surely, 2^118865562421 is an apocalyptic number.

It is an amenable number.

118865562421 is a deficient number, since it is larger than the sum of its proper divisors (1683000779).

118865562421 is a wasteful number, since it uses less digits than its factorization.

118865562421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122819.

The product of its digits is 921600, while the sum is 49.

The spelling of 118865562421 in words is "one hundred eighteen billion, eight hundred sixty-five million, five hundred sixty-two thousand, four hundred twenty-one".