2151535355 has 4 divisors (see below), whose sum is σ = 2581842432. Its totient is φ = 1721228280.

The previous prime is 2151535343. The next prime is 2151535363. The reversal of 2151535355 is 5535351512.

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

It is not a de Polignac number, because 2151535355 - 2⁶ = 2151535291 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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215153531 + ... + 215153540.

It is an arithmetic number, because the mean of its divisors is an integer number (645460608).

Almost surely, 2^2151535355 is an apocalyptic number.

2151535355 is a deficient number, since it is larger than the sum of its proper divisors (430307077).

2151535355 is an equidigital number, since it uses as much as digits as its factorization.

2151535355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430307076.

The product of its digits is 56250, while the sum is 35.

The square root of 2151535355 is about 46384.6456815184. The cubic root of 2151535355 is about 1290.9700363622.

Adding to 2151535355 its reverse (5535351512), we get a palindrome (7686886867).

The spelling of 2151535355 in words is "two billion, one hundred fifty-one million, five hundred thirty-five thousand, three hundred fifty-five".