15120315416 has 8 divisors (see below), whose sum is σ = 28350591420. Its totient is φ = 7560157704.

The previous prime is 15120315409. The next prime is 15120315439. The reversal of 15120315416 is 61451302151.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 945019706 + ... + 945019721.

Almost surely, 2^15120315416 is an apocalyptic number.

It is an amenable number.

15120315416 is a deficient number, since it is larger than the sum of its proper divisors (13230276004).

15120315416 is a wasteful number, since it uses less digits than its factorization.

15120315416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890039433 (or 1890039429 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 15120315416 its reverse (61451302151), we get a palindrome (76571617567).

The spelling of 15120315416 in words is "fifteen billion, one hundred twenty million, three hundred fifteen thousand, four hundred sixteen".