1010555001551 has 2 divisors, whose sum is σ = 1010555001552. Its totient is φ = 1010555001550.

The previous prime is 1010555001529. The next prime is 1010555001559. The reversal of 1010555001551 is 1551005550101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1010555001551 - 2¹⁸ = 1010554739407 is a prime.

It is a super-2 number, since 2×1010555001551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010555001559) 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, 505277500775 + 505277500776.

It is an arithmetic number, because the mean of its divisors is an integer number (505277500776).

Almost surely, 2^{1010555001551} is an apocalyptic number.

1010555001551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010555001551 is an equidigital number, since it uses as much as digits as its factorization.

1010555001551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 1010555001551 in words is "one trillion, ten billion, five hundred fifty-five million, one thousand, five hundred fifty-one".