1006009605551 has 2 divisors, whose sum is σ = 1006009605552. Its totient is φ = 1006009605550.

The previous prime is 1006009605493. The next prime is 1006009605593. The reversal of 1006009605551 is 1555069006001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1006009605551 - 2²⁶ = 1005942496687 is a prime.

It is a super-2 number, since 2×1006009605551² (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 (1006009605751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503004802775 + 503004802776.

It is an arithmetic number, because the mean of its divisors is an integer number (503004802776).

Almost surely, 2^{1006009605551} is an apocalyptic number.

1006009605551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1006009605551 is an equidigital number, since it uses as much as digits as its factorization.

1006009605551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 38.

The spelling of 1006009605551 in words is "one trillion, six billion, nine million, six hundred five thousand, five hundred fifty-one".