211096198251 has 8 divisors (see below), whose sum is σ = 312735108560. Its totient is φ = 140730798816.

The previous prime is 211096198249. The next prime is 211096198253. The reversal of 211096198251 is 152891690112.

211096198251 is a `hidden beast` number, since 2 + 1 + 1 + 0 + 9 + 619 + 8 + 25 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (211096198249) and next prime (211096198253).

It is not a de Polignac number, because 211096198251 - 2¹ = 211096198249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211096198197 and 211096198206.

It is not an unprimeable number, because it can be changed into a prime (211096198253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3909188830 + ... + 3909188883.

It is an arithmetic number, because the mean of its divisors is an integer number (39091888570).

Almost surely, 2^211096198251 is an apocalyptic number.

211096198251 is a deficient number, since it is larger than the sum of its proper divisors (101638910309).

211096198251 is an equidigital number, since it uses as much as digits as its factorization.

211096198251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7818377722 (or 7818377716 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The spelling of 211096198251 in words is "two hundred eleven billion, ninety-six million, one hundred ninety-eight thousand, two hundred fifty-one".