120616262515 has 16 divisors (see below), whose sum is σ = 165447781632. Its totient is φ = 82692697824.

The previous prime is 120616262513. The next prime is 120616262527. The reversal of 120616262515 is 515262616021.

It is a cyclic number.

It is not a de Polignac number, because 120616262515 - 2¹ = 120616262513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120616262513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135109 + ... + 509398.

It is an arithmetic number, because the mean of its divisors is an integer number (10340486352).

Almost surely, 2^120616262515 is an apocalyptic number.

120616262515 is a deficient number, since it is larger than the sum of its proper divisors (44831519117).

120616262515 is an equidigital number, since it uses as much as digits as its factorization.

120616262515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649866.

The product of its (nonzero) digits is 43200, while the sum is 37.

Adding to 120616262515 its reverse (515262616021), we get a palindrome (635878878536).

The spelling of 120616262515 in words is "one hundred twenty billion, six hundred sixteen million, two hundred sixty-two thousand, five hundred fifteen".