1051715551 has 2 divisors, whose sum is σ = 1051715552. Its totient is φ = 1051715550.

The previous prime is 1051715527. The next prime is 1051715563. The reversal of 1051715551 is 1555171501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1051715551 - 2⁹ = 1051715039 is a prime.

It is a super-2 number, since 2×1051715551² = 2212211200430467202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051715051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525857775 + 525857776.

It is an arithmetic number, because the mean of its divisors is an integer number (525857776).

Almost surely, 2^1051715551 is an apocalyptic number.

1051715551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051715551 is an equidigital number, since it uses as much as digits as its factorization.

1051715551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4375, while the sum is 31.

The square root of 1051715551 is about 32430.1642148170. The cubic root of 1051715551 is about 1016.9496047531.

The spelling of 1051715551 in words is "one billion, fifty-one million, seven hundred fifteen thousand, five hundred fifty-one".