55212186011 has 2 divisors, whose sum is σ = 55212186012. Its totient is φ = 55212186010.

The previous prime is 55212185981. The next prime is 55212186019. The reversal of 55212186011 is 11068121255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55212186011 - 2⁶ = 55212185947 is a prime.

It is a super-2 number, since 2×55212186011² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55212186019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27606093005 + 27606093006.

It is an arithmetic number, because the mean of its divisors is an integer number (27606093006).

Almost surely, 2^55212186011 is an apocalyptic number.

55212186011 is a deficient number, since it is larger than the sum of its proper divisors (1).

55212186011 is an equidigital number, since it uses as much as digits as its factorization.

55212186011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 55212186011 in words is "fifty-five billion, two hundred twelve million, one hundred eighty-six thousand, eleven".