4155531451 has 2 divisors, whose sum is σ = 4155531452. Its totient is φ = 4155531450.

The previous prime is 4155531437. The next prime is 4155531473. The reversal of 4155531451 is 1541355514.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4155531451 is a prime.

It is not a weakly prime, because it can be changed into another prime (4155531491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077765725 + 2077765726.

It is an arithmetic number, because the mean of its divisors is an integer number (2077765726).

Almost surely, 2^4155531451 is an apocalyptic number.

4155531451 is a deficient number, since it is larger than the sum of its proper divisors (1).

4155531451 is an equidigital number, since it uses as much as digits as its factorization.

4155531451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30000, while the sum is 34.

The square root of 4155531451 is about 64463.4117232403. The cubic root of 4155531451 is about 1607.7142378251.

Adding to 4155531451 its reverse (1541355514), we get a palindrome (5696886965).

The spelling of 4155531451 in words is "four billion, one hundred fifty-five million, five hundred thirty-one thousand, four hundred fifty-one".