211157158912 has 176 divisors, whose sum is σ = 491597563392. Its totient is φ = 88789155840.

The previous prime is 211157158873. The next prime is 211157158913. The reversal of 211157158912 is 219851751112.

It is not an unprimeable number, because it can be changed into a prime (211157158913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83427087 + ... + 83429617.

Almost surely, 2^211157158912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211157158912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245798781696).

211157158912 is an abundant number, since it is smaller than the sum of its proper divisors (280440404480).

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

211157158912 is a wasteful number, since it uses less digits than its factorization.

211157158912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774 (or 2756 counting only the distinct ones).

The product of its digits is 50400, while the sum is 43.

The spelling of 211157158912 in words is "two hundred eleven billion, one hundred fifty-seven million, one hundred fifty-eight thousand, nine hundred twelve".