3145551551 has 2 divisors, whose sum is σ = 3145551552. Its totient is φ = 3145551550.

The previous prime is 3145551533. The next prime is 3145551571. The reversal of 3145551551 is 1551555413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3145551551 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3145551511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1572775775 + 1572775776.

It is an arithmetic number, because the mean of its divisors is an integer number (1572775776).

Almost surely, 2^3145551551 is an apocalyptic number.

3145551551 is a deficient number, since it is larger than the sum of its proper divisors (1).

3145551551 is an equidigital number, since it uses as much as digits as its factorization.

3145551551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37500, while the sum is 35.

The square root of 3145551551 is about 56085.2168668358. The cubic root of 3145551551 is about 1465.2068341656.

The spelling of 3145551551 in words is "three billion, one hundred forty-five million, five hundred fifty-one thousand, five hundred fifty-one".