211408135080 has 64 divisors (see below), whose sum is σ = 634272629760. Its totient is φ = 56371216128.

The previous prime is 211408135063. The next prime is 211408135117. The reversal of 211408135080 is 80531804112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1714374 + ... + 1833546.

It is an arithmetic number, because the mean of its divisors is an integer number (9910509840).

Almost surely, 2^211408135080 is an apocalyptic number.

211408135080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211408135080 is an abundant number, since it is smaller than the sum of its proper divisors (422864494680).

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

211408135080 is a wasteful number, since it uses less digits than its factorization.

211408135080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133970 (or 133966 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

Adding to 211408135080 its reverse (80531804112), we get a palindrome (291939939192).

The spelling of 211408135080 in words is "two hundred eleven billion, four hundred eight million, one hundred thirty-five thousand, eighty".