120315142544 has 10 divisors (see below), whose sum is σ = 233110588710. Its totient is φ = 60157571264.

The previous prime is 120315142543. The next prime is 120315142547. The reversal of 120315142544 is 445241513021.

It can be written as a sum of positive squares in only one way, i.e., 94679290000 + 25635852544 = 307700^2 + 160112^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120315142544.

It is not an unprimeable number, because it can be changed into a prime (120315142543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3759848189 + ... + 3759848220.

It is an arithmetic number, because the mean of its divisors is an integer number (23311058871).

Almost surely, 2^120315142544 is an apocalyptic number.

It is an amenable number.

120315142544 is a deficient number, since it is larger than the sum of its proper divisors (112795446166).

120315142544 is an equidigital number, since it uses as much as digits as its factorization.

120315142544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519696417 (or 7519696411 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 120315142544 its reverse (445241513021), we get a palindrome (565556655565).

The spelling of 120315142544 in words is "one hundred twenty billion, three hundred fifteen million, one hundred forty-two thousand, five hundred forty-four".