15530231053 has 4 divisors (see below), whose sum is σ = 15538048960. Its totient is φ = 15522413148.

The previous prime is 15530231027. The next prime is 15530231081. The reversal of 15530231053 is 35013203551.

15530231053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15530231053 - 2⁵ = 15530231021 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 (15530241053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905973 + ... + 3909946.

It is an arithmetic number, because the mean of its divisors is an integer number (3884512240).

Almost surely, 2^15530231053 is an apocalyptic number.

It is an amenable number.

15530231053 is a deficient number, since it is larger than the sum of its proper divisors (7817907).

15530231053 is an equidigital number, since it uses as much as digits as its factorization.

15530231053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817906.

The product of its (nonzero) digits is 6750, while the sum is 28.

It can be divided in two parts, 155302 and 31053, that added together give a triangular number (186355 = T₆₁₀).

The spelling of 15530231053 in words is "fifteen billion, five hundred thirty million, two hundred thirty-one thousand, fifty-three".