120240115213513 has 4 divisors (see below), whose sum is σ = 120273673719808. Its totient is φ = 120206556707220.

The previous prime is 120240115213501. The next prime is 120240115213523. The reversal of 120240115213513 is 315312511042021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120240115213513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120240115213523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16779247773 + ... + 16779254938.

It is an arithmetic number, because the mean of its divisors is an integer number (30068418429952).

Almost surely, 2^{120240115213513} is an apocalyptic number.

It is an amenable number.

120240115213513 is a deficient number, since it is larger than the sum of its proper divisors (33558506295).

120240115213513 is an equidigital number, since it uses as much as digits as its factorization.

120240115213513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33558506294.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 120240115213513 its reverse (315312511042021), we get a palindrome (435552626255534).

The spelling of 120240115213513 in words is "one hundred twenty trillion, two hundred forty billion, one hundred fifteen million, two hundred thirteen thousand, five hundred thirteen".