211355315426064 has 40 divisors (see below), whose sum is σ = 546001752794112. Its totient is φ = 70451704547200.

The previous prime is 211355315426051. The next prime is 211355315426069. The reversal of 211355315426064 is 460624513553112.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (211355315426069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93932977 + ... + 96156719.

Almost surely, 2^{211355315426064} is an apocalyptic number.

211355315426064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

211355315426064 is an abundant number, since it is smaller than the sum of its proper divisors (334646437368048).

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

211355315426064 is a wasteful number, since it uses less digits than its factorization.

211355315426064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203855 (or 4203849 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

Adding to 211355315426064 its reverse (460624513553112), we get a palindrome (671979828979176).

The spelling of 211355315426064 in words is "two hundred eleven trillion, three hundred fifty-five billion, three hundred fifteen million, four hundred twenty-six thousand, sixty-four".