55011110505959 has 2 divisors, whose sum is σ = 55011110505960. Its totient is φ = 55011110505958.

The previous prime is 55011110505937. The next prime is 55011110506013. The reversal of 55011110505959 is 95950501111055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55011110505959 - 2¹⁶ = 55011110440423 is a prime.

It is a super-3 number, since 3×55011110505959³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55011110505859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27505555252979 + 27505555252980.

It is an arithmetic number, because the mean of its divisors is an integer number (27505555252980).

Almost surely, 2^{55011110505959} is an apocalyptic number.

55011110505959 is a deficient number, since it is larger than the sum of its proper divisors (1).

55011110505959 is an equidigital number, since it uses as much as digits as its factorization.

55011110505959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 253125, while the sum is 47.

The spelling of 55011110505959 in words is "fifty-five trillion, eleven billion, one hundred ten million, five hundred five thousand, nine hundred fifty-nine".