15120223441 has 8 divisors (see below), whose sum is σ = 15252157440. Its totient is φ = 14988767472.

The previous prime is 15120223423. The next prime is 15120223471. The reversal of 15120223441 is 14432202151.

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 15120223441 - 2¹¹ = 15120221393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15120223471) 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, 55825 + ... + 182638.

It is an arithmetic number, because the mean of its divisors is an integer number (1906519680).

Almost surely, 2^15120223441 is an apocalyptic number.

It is an amenable number.

15120223441 is a deficient number, since it is larger than the sum of its proper divisors (131933999).

15120223441 is a wasteful number, since it uses less digits than its factorization.

15120223441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239015.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15120223441 its reverse (14432202151), we get a palindrome (29552425592).

The spelling of 15120223441 in words is "fifteen billion, one hundred twenty million, two hundred twenty-three thousand, four hundred forty-one".