2125604456503 has 8 divisors (see below), whose sum is σ = 2319457819536. Its totient is φ = 1931853859200.

The previous prime is 2125604456473. The next prime is 2125604456537. The reversal of 2125604456503 is 3056544065212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125604456503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2125604456503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125604456543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25648176 + ... + 25730917.

It is an arithmetic number, because the mean of its divisors is an integer number (289932227442).

Almost surely, 2^{2125604456503} is an apocalyptic number.

2125604456503 is a deficient number, since it is larger than the sum of its proper divisors (193853363033).

2125604456503 is a wasteful number, since it uses less digits than its factorization.

2125604456503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51382865.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 2125604456503 in words is "two trillion, one hundred twenty-five billion, six hundred four million, four hundred fifty-six thousand, five hundred three".