15320103551 has 4 divisors (see below), whose sum is σ = 15333391872. Its totient is φ = 15306815232.

The previous prime is 15320103509. The next prime is 15320103553. The reversal of 15320103551 is 15530102351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15530102351 = 9791 ⋅1586161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15320103551 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 15320103551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15320103553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6642431 + ... + 6644736.

It is an arithmetic number, because the mean of its divisors is an integer number (3833347968).

Almost surely, 2^15320103551 is an apocalyptic number.

15320103551 is a deficient number, since it is larger than the sum of its proper divisors (13288321).

15320103551 is a wasteful number, since it uses less digits than its factorization.

15320103551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13288320.

The product of its (nonzero) digits is 2250, while the sum is 26.

The spelling of 15320103551 in words is "fifteen billion, three hundred twenty million, one hundred three thousand, five hundred fifty-one".