2421315155 has 12 divisors (see below), whose sum is σ = 3379958640. Its totient is φ = 1660330224.

The previous prime is 2421315139. The next prime is 2421315167. The reversal of 2421315155 is 5515131242.

It is not a de Polignac number, because 2421315155 - 2⁴ = 2421315139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4941215 + ... + 4941704.

It is an arithmetic number, because the mean of its divisors is an integer number (281663220).

Almost surely, 2^2421315155 is an apocalyptic number.

2421315155 is a deficient number, since it is larger than the sum of its proper divisors (958643485).

2421315155 is an equidigital number, since it uses as much as digits as its factorization.

2421315155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882938 (or 9882931 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 2421315155 is about 49206.8608529339. The cubic root of 2421315155 is about 1342.8178533877.

Adding to 2421315155 its reverse (5515131242), we get a palindrome (7936446397).

The spelling of 2421315155 in words is "two billion, four hundred twenty-one million, three hundred fifteen thousand, one hundred fifty-five".