5555061061061 has 2 divisors, whose sum is σ = 5555061061062. Its totient is φ = 5555061061060.

The previous prime is 5555061061049. The next prime is 5555061061127. The reversal of 5555061061061 is 1601601605555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4028526680161 + 1526534380900 = 2007119^2 + 1235530^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555061061061 - 2²² = 5555056866757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555061061001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777530530530 + 2777530530531.

It is an arithmetic number, because the mean of its divisors is an integer number (2777530530531).

Almost surely, 2^{5555061061061} is an apocalyptic number.

It is an amenable number.

5555061061061 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555061061061 is an equidigital number, since it uses as much as digits as its factorization.

5555061061061 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 41.

The spelling of 5555061061061 in words is "five trillion, five hundred fifty-five billion, sixty-one million, sixty-one thousand, sixty-one".