10403220155 has 8 divisors (see below), whose sum is σ = 12487008384. Its totient is φ = 8320480000.

The previous prime is 10403220151. The next prime is 10403220167. The reversal of 10403220155 is 55102230401.

10403220155 is digitally balanced in base 3, 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 not a de Polignac number, because 10403220155 - 2² = 10403220151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10403220155.

It is not an unprimeable number, because it can be changed into a prime (10403220151) 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, 240011 + ... + 280020.

It is an arithmetic number, because the mean of its divisors is an integer number (1560876048).

Almost surely, 2^10403220155 is an apocalyptic number.

10403220155 is a deficient number, since it is larger than the sum of its proper divisors (2083788229).

10403220155 is an equidigital number, since it uses as much as digits as its factorization.

10403220155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524037.

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 10403220155 its reverse (55102230401), we get a palindrome (65505450556).

The spelling of 10403220155 in words is "ten billion, four hundred three million, two hundred twenty thousand, one hundred fifty-five".