4251132155 has 4 divisors (see below), whose sum is σ = 5101358592. Its totient is φ = 3400905720.

The previous prime is 4251132139. The next prime is 4251132157. The reversal of 4251132155 is 5512311524.

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

It is not a de Polignac number, because 4251132155 - 2⁴ = 4251132139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4251132157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425113211 + ... + 425113220.

It is an arithmetic number, because the mean of its divisors is an integer number (1275339648).

Almost surely, 2^4251132155 is an apocalyptic number.

4251132155 is a deficient number, since it is larger than the sum of its proper divisors (850226437).

4251132155 is an equidigital number, since it uses as much as digits as its factorization.

4251132155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850226436.

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

The square root of 4251132155 is about 65200.7067062927. The cubic root of 4251132155 is about 1619.9497209158.

Adding to 4251132155 its reverse (5512311524), we get a palindrome (9763443679).

The spelling of 4251132155 in words is "four billion, two hundred fifty-one million, one hundred thirty-two thousand, one hundred fifty-five".