2120045525 has 24 divisors (see below), whose sum is σ = 2879086560. Its totient is φ = 1539023040.

The previous prime is 2120045491. The next prime is 2120045533. The reversal of 2120045525 is 5255400212.

It is not a de Polignac number, because 2120045525 - 2⁸ = 2120045269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120045494 and 2120045503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36107 + ... + 74456.

It is an arithmetic number, because the mean of its divisors is an integer number (119961940).

Almost surely, 2^2120045525 is an apocalyptic number.

2120045525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2120045525 is a deficient number, since it is larger than the sum of its proper divisors (759041035).

2120045525 is a wasteful number, since it uses less digits than its factorization.

2120045525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110645 (or 110640 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2120045525 is about 46043.9521001401. The cubic root of 2120045525 is about 1284.6408530643.

Adding to 2120045525 its reverse (5255400212), we get a palindrome (7375445737).

The spelling of 2120045525 in words is "two billion, one hundred twenty million, forty-five thousand, five hundred twenty-five".