2125155503 has 8 divisors (see below), whose sum is σ = 2179064448. Its totient is φ = 2071450584.

The previous prime is 2125155481. The next prime is 2125155551. The reversal of 2125155503 is 3055515212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125155503 - 2⁸ = 2125155247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125155553) 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, 29801 + ... + 71682.

It is an arithmetic number, because the mean of its divisors is an integer number (272383056).

Almost surely, 2^2125155503 is an apocalyptic number.

2125155503 is a deficient number, since it is larger than the sum of its proper divisors (53908945).

2125155503 is a wasteful number, since it uses less digits than its factorization.

2125155503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102013.

The product of its (nonzero) digits is 7500, while the sum is 29.

The square root of 2125155503 is about 46099.4089224580. The cubic root of 2125155503 is about 1285.6721547211.

The spelling of 2125155503 in words is "two billion, one hundred twenty-five million, one hundred fifty-five thousand, five hundred three".