15225018103 has 4 divisors (see below), whose sum is σ = 15336149760. Its totient is φ = 15113886448.

The previous prime is 15225018077. The next prime is 15225018119. The reversal of 15225018103 is 30181052251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30181052251 = 7 ⋅4311578893.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15225018103 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 (15225078103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55565623 + ... + 55565896.

It is an arithmetic number, because the mean of its divisors is an integer number (3834037440).

Almost surely, 2^15225018103 is an apocalyptic number.

15225018103 is a deficient number, since it is larger than the sum of its proper divisors (111131657).

15225018103 is a wasteful number, since it uses less digits than its factorization.

15225018103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111131656.

The product of its (nonzero) digits is 2400, while the sum is 28.

The spelling of 15225018103 in words is "fifteen billion, two hundred twenty-five million, eighteen thousand, one hundred three".