15380913945 has 8 divisors (see below), whose sum is σ = 24609462336. Its totient is φ = 8203154096.

The previous prime is 15380913929. The next prime is 15380914007. The reversal of 15380913945 is 54931908351.

15380913945 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 15380913945 - 2⁴ = 15380913929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15380913894 and 15380913903.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 512697117 + ... + 512697146.

It is an arithmetic number, because the mean of its divisors is an integer number (3076182792).

Almost surely, 2^15380913945 is an apocalyptic number.

15380913945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15380913945 is a deficient number, since it is larger than the sum of its proper divisors (9228548391).

15380913945 is a wasteful number, since it uses less digits than its factorization.

15380913945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025394271.

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 15380913945 in words is "fifteen billion, three hundred eighty million, nine hundred thirteen thousand, nine hundred forty-five".