211504550034 has 16 divisors (see below), whose sum is σ = 437595621120. Its totient is φ = 68070429840.

The previous prime is 211504550027. The next prime is 211504550077. The reversal of 211504550034 is 430055405112.

It is a junction number, because it is equal to n+sod(n) for n = 211504549983 and 211504550010.

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, 607771522 + ... + 607771869.

It is an arithmetic number, because the mean of its divisors is an integer number (27349726320).

Almost surely, 2^211504550034 is an apocalyptic number.

211504550034 is an abundant number, since it is smaller than the sum of its proper divisors (226091071086).

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

211504550034 is a wasteful number, since it uses less digits than its factorization.

211504550034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215543425.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 211504550034 its reverse (430055405112), we get a palindrome (641559955146).

The spelling of 211504550034 in words is "two hundred eleven billion, five hundred four million, five hundred fifty thousand, thirty-four".