2503500155 has 16 divisors (see below), whose sum is σ = 3425605344. Its totient is φ = 1739988480.

The previous prime is 2503500151. The next prime is 2503500157. The reversal of 2503500155 is 5510053052.

2503500155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2503500155 - 2² = 2503500151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2503500151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1131701 + ... + 1133910.

It is an arithmetic number, because the mean of its divisors is an integer number (214100334).

Almost surely, 2^2503500155 is an apocalyptic number.

2503500155 is a deficient number, since it is larger than the sum of its proper divisors (922105189).

2503500155 is a wasteful number, since it uses less digits than its factorization.

2503500155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2265646.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 2503500155 is about 50034.9893074836. The cubic root of 2503500155 is about 1357.8419050906.

The spelling of 2503500155 in words is "two billion, five hundred three million, five hundred thousand, one hundred fifty-five".