120544513545 has 32 divisors (see below), whose sum is σ = 199525100544. Its totient is φ = 62081452800.

The previous prime is 120544513543. The next prime is 120544513547. The reversal of 120544513545 is 545315445021.

It is an interprime number because it is at equal distance from previous prime (120544513543) and next prime (120544513547).

It is not a de Polignac number, because 120544513545 - 2¹ = 120544513543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120544513543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66802 + ... + 495531.

It is an arithmetic number, because the mean of its divisors is an integer number (6235159392).

Almost surely, 2^120544513545 is an apocalyptic number.

120544513545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120544513545 is a deficient number, since it is larger than the sum of its proper divisors (78980586999).

120544513545 is a wasteful number, since it uses less digits than its factorization.

120544513545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562833.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 120544513545 its reverse (545315445021), we get a palindrome (665859958566).

The spelling of 120544513545 in words is "one hundred twenty billion, five hundred forty-four million, five hundred thirteen thousand, five hundred forty-five".