211264331401364 has 24 divisors (see below), whose sum is σ = 369980431166976. Its totient is φ = 105555643200000.

The previous prime is 211264331401339. The next prime is 211264331401373. The reversal of 211264331401364 is 463104133462112.

It is a super-2 number, since 2×211264331401364² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132900239 + ... + 134480489.

It is an arithmetic number, because the mean of its divisors is an integer number (15415851298624).

Almost surely, 2^{211264331401364} is an apocalyptic number.

It is an amenable number.

211264331401364 is a deficient number, since it is larger than the sum of its proper divisors (158716099765612).

211264331401364 is a wasteful number, since it uses less digits than its factorization.

211264331401364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604447 (or 1604445 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

Adding to 211264331401364 its reverse (463104133462112), we get a palindrome (674368464863476).

The spelling of 211264331401364 in words is "two hundred eleven trillion, two hundred sixty-four billion, three hundred thirty-one million, four hundred one thousand, three hundred sixty-four".