2151241355 has 4 divisors (see below), whose sum is σ = 2581489632. Its totient is φ = 1720993080.

The previous prime is 2151241297. The next prime is 2151241361. The reversal of 2151241355 is 5531421512.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2151241355 - 2¹⁰ = 2151240331 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 215124131 + ... + 215124140.

It is an arithmetic number, because the mean of its divisors is an integer number (645372408).

Almost surely, 2^2151241355 is an apocalyptic number.

2151241355 is a deficient number, since it is larger than the sum of its proper divisors (430248277).

2151241355 is an equidigital number, since it uses as much as digits as its factorization.

2151241355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430248276.

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

The square root of 2151241355 is about 46381.4764210886. The cubic root of 2151241355 is about 1290.9112314598.

Adding to 2151241355 its reverse (5531421512), we get a palindrome (7682662867).

The spelling of 2151241355 in words is "two billion, one hundred fifty-one million, two hundred forty-one thousand, three hundred fifty-five".