211141225560 has 64 divisors (see below), whose sum is σ = 644159692800. Its totient is φ = 55350014336.

The previous prime is 211141225553. The next prime is 211141225579. The reversal of 211141225560 is 65522141112.

211141225560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 14904024 + ... + 14918183.

It is an arithmetic number, because the mean of its divisors is an integer number (10064995200).

Almost surely, 2^211141225560 is an apocalyptic number.

211141225560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211141225560 is an abundant number, since it is smaller than the sum of its proper divisors (433018467240).

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

211141225560 is a wasteful number, since it uses less digits than its factorization.

211141225560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29822280 (or 29822276 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 211141225560 its reverse (65522141112), we get a palindrome (276663366672).

The spelling of 211141225560 in words is "two hundred eleven billion, one hundred forty-one million, two hundred twenty-five thousand, five hundred sixty".