211155602072 has 16 divisors (see below), whose sum is σ = 399034210560. Its totient is φ = 104746479264.

The previous prime is 211155602059. The next prime is 211155602083. The reversal of 211155602072 is 270206551112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103914143 + ... + 103916174.

It is an arithmetic number, because the mean of its divisors is an integer number (24939638160).

Almost surely, 2^211155602072 is an apocalyptic number.

It is an amenable number.

211155602072 is a deficient number, since it is larger than the sum of its proper divisors (187878608488).

211155602072 is a wasteful number, since it uses less digits than its factorization.

211155602072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207830450 (or 207830446 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 211155602072 in words is "two hundred eleven billion, one hundred fifty-five million, six hundred two thousand, seventy-two".