10155115203 has 4 divisors (see below), whose sum is σ = 13540153608. Its totient is φ = 6770076800.

The previous prime is 10155115177. The next prime is 10155115213. The reversal of 10155115203 is 30251155101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10155115203 - 2⁵ = 10155115171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10155115213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1692519198 + ... + 1692519203.

It is an arithmetic number, because the mean of its divisors is an integer number (3385038402).

Almost surely, 2^10155115203 is an apocalyptic number.

10155115203 is a deficient number, since it is larger than the sum of its proper divisors (3385038405).

10155115203 is an equidigital number, since it uses as much as digits as its factorization.

10155115203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385038404.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 10155115203 in words is "ten billion, one hundred fifty-five million, one hundred fifteen thousand, two hundred three".