120644550153413 has 16 divisors (see below), whose sum is σ = 141746849325312. Its totient is φ = 101232614376000.

The previous prime is 120644550153409. The next prime is 120644550153431. The reversal of 120644550153413 is 314351055446021.

It is a cyclic number.

It is not a de Polignac number, because 120644550153413 - 2² = 120644550153409 is a prime.

It is a super-3 number, since 3×120644550153413³ (a number of 43 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120644550153313) 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, 29611373 + ... + 33438338.

It is an arithmetic number, because the mean of its divisors is an integer number (8859178082832).

Almost surely, 2^{120644550153413} is an apocalyptic number.

120644550153413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

120644550153413 is a deficient number, since it is larger than the sum of its proper divisors (21102299171899).

120644550153413 is a wasteful number, since it uses less digits than its factorization.

120644550153413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63063116.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 120644550153413 in words is "one hundred twenty trillion, six hundred forty-four billion, five hundred fifty million, one hundred fifty-three thousand, four hundred thirteen".