120444325245551 has 16 divisors (see below), whose sum is σ = 122065724160000. Its totient is φ = 118825383736800.

The previous prime is 120444325245539. The next prime is 120444325245557. The reversal of 120444325245551 is 155542523444021.

It is a cyclic number.

It is not a de Polignac number, because 120444325245551 - 2⁶ = 120444325245487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120444325245496 and 120444325245505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120444325245557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508624325 + ... + 508861073.

It is an arithmetic number, because the mean of its divisors is an integer number (7629107760000).

Almost surely, 2^{120444325245551} is an apocalyptic number.

120444325245551 is a deficient number, since it is larger than the sum of its proper divisors (1621398914449).

120444325245551 is a wasteful number, since it uses less digits than its factorization.

120444325245551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241910.

The product of its (nonzero) digits is 3840000, while the sum is 47.

Adding to 120444325245551 its reverse (155542523444021), we get a palindrome (275986848689572).

The spelling of 120444325245551 in words is "one hundred twenty trillion, four hundred forty-four billion, three hundred twenty-five million, two hundred forty-five thousand, five hundred fifty-one".