10555211999 has 2 divisors, whose sum is σ = 10555212000. Its totient is φ = 10555211998.

The previous prime is 10555211993. The next prime is 10555212023. The reversal of 10555211999 is 99911255501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10555211999 - 2⁸ = 10555211743 is a prime.

It is a super-2 number, since 2×10555211999² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10555211993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5277605999 + 5277606000.

It is an arithmetic number, because the mean of its divisors is an integer number (5277606000).

Almost surely, 2^10555211999 is an apocalyptic number.

10555211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10555211999 is an equidigital number, since it uses as much as digits as its factorization.

10555211999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 182250, while the sum is 47.

The spelling of 10555211999 in words is "ten billion, five hundred fifty-five million, two hundred eleven thousand, nine hundred ninety-nine".