211052010625 has 80 divisors (see below), whose sum is σ = 286230776832. Its totient is φ = 155105280000.

The previous prime is 211052010623. The next prime is 211052010629. The reversal of 211052010625 is 526010250112.

It is not a de Polignac number, because 211052010625 - 2¹ = 211052010623 is a prime.

It is a super-2 number, since 2×211052010625² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 211052010625.

It is not an unprimeable number, because it can be changed into a prime (211052010623) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 61048897 + ... + 61052353.

Almost surely, 2^211052010625 is an apocalyptic number.

211052010625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

211052010625 is a deficient number, since it is larger than the sum of its proper divisors (75178766207).

211052010625 is a wasteful number, since it uses less digits than its factorization.

211052010625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 211052010625 its reverse (526010250112), we get a palindrome (737062260737).

The spelling of 211052010625 in words is "two hundred eleven billion, fifty-two million, ten thousand, six hundred twenty-five".