2112001641525 has 12 divisors (see below), whose sum is σ = 3491842714112. Its totient is φ = 1126400875440.

The previous prime is 2112001641493. The next prime is 2112001641553. The reversal of 2112001641525 is 5251461002112.

It is not a de Polignac number, because 2112001641525 - 2⁵ = 2112001641493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2112001641492 and 2112001641501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14080010869 + ... + 14080011018.

Almost surely, 2^{2112001641525} is an apocalyptic number.

2112001641525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2112001641525 is a deficient number, since it is larger than the sum of its proper divisors (1379841072587).

2112001641525 is a wasteful number, since it uses less digits than its factorization.

2112001641525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28160021900 (or 28160021895 counting only the distinct ones).

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

Adding to 2112001641525 its reverse (5251461002112), we get a palindrome (7363462643637).

The spelling of 2112001641525 in words is "two trillion, one hundred twelve billion, one million, six hundred forty-one thousand, five hundred twenty-five".