2125540863 has 12 divisors (see below), whose sum is σ = 3076862880. Its totient is φ = 1413963936.

The previous prime is 2125540861. The next prime is 2125540867. The reversal of 2125540863 is 3680455212.

2125540863 is a `hidden beast` number, since 21 + 2 + 554 + 0 + 86 + 3 = 666.

It is not a de Polignac number, because 2125540863 - 2¹ = 2125540861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125540861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250878 + ... + 259211.

It is an arithmetic number, because the mean of its divisors is an integer number (256405240).

Almost surely, 2^2125540863 is an apocalyptic number.

2125540863 is a deficient number, since it is larger than the sum of its proper divisors (951322017).

2125540863 is a wasteful number, since it uses less digits than its factorization.

2125540863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510558 (or 510555 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 2125540863 is about 46103.5883961325. The cubic root of 2125540863 is about 1285.7498614548.

The spelling of 2125540863 in words is "two billion, one hundred twenty-five million, five hundred forty thousand, eight hundred sixty-three".