2421112555 has 8 divisors (see below), whose sum is σ = 2999055744. Its totient is φ = 1874409600.

The previous prime is 2421112523. The next prime is 2421112559. The reversal of 2421112555 is 5552111242.

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

It is not a de Polignac number, because 2421112555 - 2⁵ = 2421112523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2421112559) 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, 7809886 + ... + 7810195.

It is an arithmetic number, because the mean of its divisors is an integer number (374881968).

Almost surely, 2^2421112555 is an apocalyptic number.

2421112555 is a deficient number, since it is larger than the sum of its proper divisors (577943189).

2421112555 is a wasteful number, since it uses less digits than its factorization.

2421112555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15620117.

The product of its digits is 4000, while the sum is 28.

The square root of 2421112555 is about 49204.8021538549. The cubic root of 2421112555 is about 1342.7803995705.

Adding to 2421112555 its reverse (5552111242), we get a palindrome (7973223797).

The spelling of 2421112555 in words is "two billion, four hundred twenty-one million, one hundred twelve thousand, five hundred fifty-five".