2155332503 has 8 divisors (see below), whose sum is σ = 2198832048. Its totient is φ = 2111937984.

The previous prime is 2155332499. The next prime is 2155332521. The reversal of 2155332503 is 3052335512.

2155332503 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2155332503 - 2² = 2155332499 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 (2155332523) 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, 15875 + ... + 67547.

It is an arithmetic number, because the mean of its divisors is an integer number (274854006).

Almost surely, 2^2155332503 is an apocalyptic number.

2155332503 is a deficient number, since it is larger than the sum of its proper divisors (43499545).

2155332503 is an equidigital number, since it uses as much as digits as its factorization.

2155332503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52513.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 2155332503 is about 46425.5587257709. The cubic root of 2155332503 is about 1291.7290483439.

The spelling of 2155332503 in words is "two billion, one hundred fifty-five million, three hundred thirty-two thousand, five hundred three".