4515120412015 has 16 divisors (see below), whose sum is σ = 5587146759168. Its totient is φ = 3500920447776.

The previous prime is 4515120412007. The next prime is 4515120412027. The reversal of 4515120412015 is 5102140215154.

It is a cyclic number.

It is not a de Polignac number, because 4515120412015 - 2³ = 4515120412007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93244137 + ... + 93292546.

It is an arithmetic number, because the mean of its divisors is an integer number (349196672448).

Almost surely, 2^{4515120412015} is an apocalyptic number.

4515120412015 is a deficient number, since it is larger than the sum of its proper divisors (1072026347153).

4515120412015 is a wasteful number, since it uses less digits than its factorization.

4515120412015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186536838.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 4515120412015 its reverse (5102140215154), we get a palindrome (9617260627169).

The spelling of 4515120412015 in words is "four trillion, five hundred fifteen billion, one hundred twenty million, four hundred twelve thousand, fifteen".