211133995464 has 128 divisors (see below), whose sum is σ = 649551052800. Its totient is φ = 55813186560.

The previous prime is 211133995463. The next prime is 211133995571. The reversal of 211133995464 is 464599331112.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (211133995463) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 457992 + ... + 794999.

It is an arithmetic number, because the mean of its divisors is an integer number (5074617600).

Almost surely, 2^211133995464 is an apocalyptic number.

211133995464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211133995464 is an abundant number, since it is smaller than the sum of its proper divisors (438417057336).

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

211133995464 is a wasteful number, since it uses less digits than its factorization.

211133995464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253083 (or 1253079 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The spelling of 211133995464 in words is "two hundred eleven billion, one hundred thirty-three million, nine hundred ninety-five thousand, four hundred sixty-four".