211445110606357 has 2 divisors, whose sum is σ = 211445110606358. Its totient is φ = 211445110606356.

The previous prime is 211445110606349. The next prime is 211445110606523. The reversal of 211445110606357 is 753606011544112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210687721587396 + 757389018961 = 14515086^2 + 870281^2 .

It is a cyclic number.

It is not a de Polignac number, because 211445110606357 - 2³ = 211445110606349 is a prime.

It is a super-2 number, since 2×211445110606357² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211445110606307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105722555303178 + 105722555303179.

It is an arithmetic number, because the mean of its divisors is an integer number (105722555303179).

Almost surely, 2^{211445110606357} is an apocalyptic number.

It is an amenable number.

211445110606357 is a deficient number, since it is larger than the sum of its proper divisors (1).

211445110606357 is an equidigital number, since it uses as much as digits as its factorization.

211445110606357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 211445110606357 in words is "two hundred eleven trillion, four hundred forty-five billion, one hundred ten million, six hundred six thousand, three hundred fifty-seven".