210525011140 has 12 divisors (see below), whose sum is σ = 442102523436. Its totient is φ = 84210004448.

The previous prime is 210525011101. The next prime is 210525011209. The reversal of 210525011140 is 41110525012.

It can be written as a sum of positive squares in 2 ways, for example, as 107648297604 + 102876713536 = 328098^2 + 320744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5263125259 + ... + 5263125298.

It is an arithmetic number, because the mean of its divisors is an integer number (36841876953).

Almost surely, 2^210525011140 is an apocalyptic number.

210525011140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210525011140 is an abundant number, since it is smaller than the sum of its proper divisors (231577512296).

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

210525011140 is a wasteful number, since it uses less digits than its factorization.

210525011140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10526250566 (or 10526250564 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 210525011140 its reverse (41110525012), we get a palindrome (251635536152).

The spelling of 210525011140 in words is "two hundred ten billion, five hundred twenty-five million, eleven thousand, one hundred forty".