120451143513 has 4 divisors (see below), whose sum is σ = 160601524688. Its totient is φ = 80300762340.

The previous prime is 120451143481. The next prime is 120451143517. The reversal of 120451143513 is 315341154021.

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 not a de Polignac number, because 120451143513 - 2⁵ = 120451143481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120451143517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20075190583 + ... + 20075190588.

It is an arithmetic number, because the mean of its divisors is an integer number (40150381172).

Almost surely, 2^120451143513 is an apocalyptic number.

It is an amenable number.

120451143513 is a deficient number, since it is larger than the sum of its proper divisors (40150381175).

120451143513 is an equidigital number, since it uses as much as digits as its factorization.

120451143513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40150381174.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 120451143513 its reverse (315341154021), we get a palindrome (435792297534).

The spelling of 120451143513 in words is "one hundred twenty billion, four hundred fifty-one million, one hundred forty-three thousand, five hundred thirteen".