211525401079 has 2 divisors, whose sum is σ = 211525401080. Its totient is φ = 211525401078.

The previous prime is 211525401019. The next prime is 211525401107. The reversal of 211525401079 is 970104525112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211525401079 - 2⁷ = 211525400951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211525401019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105762700539 + 105762700540.

It is an arithmetic number, because the mean of its divisors is an integer number (105762700540).

Almost surely, 2^211525401079 is an apocalyptic number.

211525401079 is a deficient number, since it is larger than the sum of its proper divisors (1).

211525401079 is an equidigital number, since it uses as much as digits as its factorization.

211525401079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 211525401079 in words is "two hundred eleven billion, five hundred twenty-five million, four hundred one thousand, seventy-nine".