211026265345 has 32 divisors (see below), whose sum is σ = 302358269952. Its totient is φ = 138243644352.

The previous prime is 211026265327. The next prime is 211026265409. The reversal of 211026265345 is 543562620112.

It is a cyclic number.

It is not a de Polignac number, because 211026265345 - 2⁷ = 211026265217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 503254 + ... + 821776.

It is an arithmetic number, because the mean of its divisors is an integer number (9448695936).

Almost surely, 2^211026265345 is an apocalyptic number.

It is an amenable number.

211026265345 is a deficient number, since it is larger than the sum of its proper divisors (91332004607).

211026265345 is a wasteful number, since it uses less digits than its factorization.

211026265345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319381.

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 211026265345 its reverse (543562620112), we get a palindrome (754588885457).

The spelling of 211026265345 in words is "two hundred eleven billion, twenty-six million, two hundred sixty-five thousand, three hundred forty-five".