100005605606551 has 2 divisors, whose sum is σ = 100005605606552. Its totient is φ = 100005605606550.

The previous prime is 100005605606537. The next prime is 100005605606567. The reversal of 100005605606551 is 155606506500001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100005605606551 - 2¹⁹ = 100005605082263 is a prime.

It is a super-2 number, since 2×100005605606551² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100005605606531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50002802803275 + 50002802803276.

It is an arithmetic number, because the mean of its divisors is an integer number (50002802803276).

Almost surely, 2^{100005605606551} is an apocalyptic number.

100005605606551 is a deficient number, since it is larger than the sum of its proper divisors (1).

100005605606551 is an equidigital number, since it uses as much as digits as its factorization.

100005605606551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 100005605606551 in words is "one hundred trillion, five billion, six hundred five million, six hundred six thousand, five hundred fifty-one".