5101001551 has 2 divisors, whose sum is σ = 5101001552. Its totient is φ = 5101001550.

The previous prime is 5101001537. The next prime is 5101001569. The reversal of 5101001551 is 1551001015.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5101001551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5101001501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550500775 + 2550500776.

It is an arithmetic number, because the mean of its divisors is an integer number (2550500776).

Almost surely, 2^5101001551 is an apocalyptic number.

5101001551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5101001551 is an equidigital number, since it uses as much as digits as its factorization.

5101001551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125, while the sum is 19.

The square root of 5101001551 is about 71421.2962007831. The cubic root of 5101001551 is about 1721.4132911523.

Adding to 5101001551 its reverse (1551001015), we get a palindrome (6652002566).

The spelling of 5101001551 in words is "five billion, one hundred one million, one thousand, five hundred fifty-one".