211415126191151 has 2 divisors, whose sum is σ = 211415126191152. Its totient is φ = 211415126191150.

The previous prime is 211415126191117. The next prime is 211415126191189. The reversal of 211415126191151 is 151191621514112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211415126191151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211415126191099 and 211415126191108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211415126131151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105707563095575 + 105707563095576.

It is an arithmetic number, because the mean of its divisors is an integer number (105707563095576).

Almost surely, 2^{211415126191151} is an apocalyptic number.

211415126191151 is a deficient number, since it is larger than the sum of its proper divisors (1).

211415126191151 is an equidigital number, since it uses as much as digits as its factorization.

211415126191151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 41.

The spelling of 211415126191151 in words is "two hundred eleven trillion, four hundred fifteen billion, one hundred twenty-six million, one hundred ninety-one thousand, one hundred fifty-one".