55520715011 has 2 divisors, whose sum is σ = 55520715012. Its totient is φ = 55520715010.

The previous prime is 55520714983. The next prime is 55520715109. The reversal of 55520715011 is 11051702555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55520715011 - 2²⁶ = 55453606147 is a prime.

It is a super-3 number, since 3×55520715011³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55520717011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27760357505 + 27760357506.

It is an arithmetic number, because the mean of its divisors is an integer number (27760357506).

Almost surely, 2^55520715011 is an apocalyptic number.

55520715011 is a deficient number, since it is larger than the sum of its proper divisors (1).

55520715011 is an equidigital number, since it uses as much as digits as its factorization.

55520715011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8750, while the sum is 32.

The spelling of 55520715011 in words is "fifty-five billion, five hundred twenty million, seven hundred fifteen thousand, eleven".