120441523551 has 16 divisors (see below), whose sum is σ = 170087500800. Its totient is φ = 75547859328.

The previous prime is 120441523549. The next prime is 120441523567. The reversal of 120441523551 is 155325144021.

It is not a de Polignac number, because 120441523551 - 2¹ = 120441523549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120441523591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196111 + ... + 528528.

It is an arithmetic number, because the mean of its divisors is an integer number (10630468800).

Almost surely, 2^120441523551 is an apocalyptic number.

120441523551 is a deficient number, since it is larger than the sum of its proper divisors (49645977249).

120441523551 is a wasteful number, since it uses less digits than its factorization.

120441523551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727918.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 120441523551 its reverse (155325144021), we get a palindrome (275766667572).

The spelling of 120441523551 in words is "one hundred twenty billion, four hundred forty-one million, five hundred twenty-three thousand, five hundred fifty-one".