120511351515 has 8 divisors (see below), whose sum is σ = 192818162448. Its totient is φ = 64272720800.

The previous prime is 120511351501. The next prime is 120511351531. The reversal of 120511351515 is 515153115021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120511351515 - 2¹⁵ = 120511318747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4017045036 + ... + 4017045065.

It is an arithmetic number, because the mean of its divisors is an integer number (24102270306).

Almost surely, 2^120511351515 is an apocalyptic number.

120511351515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

120511351515 is a deficient number, since it is larger than the sum of its proper divisors (72306810933).

120511351515 is an equidigital number, since it uses as much as digits as its factorization.

120511351515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8034090109.

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 120511351515 its reverse (515153115021), we get a palindrome (635664466536).

The spelling of 120511351515 in words is "one hundred twenty billion, five hundred eleven million, three hundred fifty-one thousand, five hundred fifteen".