211555707152 has 40 divisors (see below), whose sum is σ = 428198801856. Its totient is φ = 101063293056.

The previous prime is 211555707133. The next prime is 211555707191. The reversal of 211555707152 is 251707555112.

It is a super-2 number, since 2×211555707152² (a number of 23 digits) contains 22 as substring.

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, 5018 + ... + 650489.

Almost surely, 2^211555707152 is an apocalyptic number.

It is an amenable number.

211555707152 is an abundant number, since it is smaller than the sum of its proper divisors (216643094704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211555707152 is a wasteful number, since it uses less digits than its factorization.

211555707152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656415 (or 656409 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 41.

The spelling of 211555707152 in words is "two hundred eleven billion, five hundred fifty-five million, seven hundred seven thousand, one hundred fifty-two".