5555510105501 has 2 divisors, whose sum is σ = 5555510105502. Its totient is φ = 5555510105500.

The previous prime is 5555510105477. The next prime is 5555510105633. The reversal of 5555510105501 is 1055010155555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5113884732100 + 441625373401 = 2261390^2 + 664549^2 .

It is a cyclic number.

It is not a de Polignac number, because 5555510105501 - 2¹⁴ = 5555510089117 is a prime.

It is a super-2 number, since 2×5555510105501² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5555510105701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2777755052750 + 2777755052751.

It is an arithmetic number, because the mean of its divisors is an integer number (2777755052751).

Almost surely, 2^{5555510105501} is an apocalyptic number.

It is an amenable number.

5555510105501 is a deficient number, since it is larger than the sum of its proper divisors (1).

5555510105501 is an equidigital number, since it uses as much as digits as its factorization.

5555510105501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78125, while the sum is 38.

The spelling of 5555510105501 in words is "five trillion, five hundred fifty-five billion, five hundred ten million, one hundred five thousand, five hundred one".