120654006305553 has 72 divisors (see below), whose sum is σ = 222679976500800. Its totient is φ = 62476608591936.

The previous prime is 120654006305519. The next prime is 120654006305563. The reversal of 120654006305553 is 355503600456021.

120654006305553 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 5 + 4 + 0 + 0 + 630 + 5 + 5 + 5 + 3 = 666.

It is not a de Polignac number, because 120654006305553 - 2¹⁰ = 120654006304529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120654006305499 and 120654006305508.

It is not an unprimeable number, because it can be changed into a prime (120654006305563) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 312841438 + ... + 313226871.

It is an arithmetic number, because the mean of its divisors is an integer number (3092777451400).

Almost surely, 2^{120654006305553} is an apocalyptic number.

It is an amenable number.

120654006305553 is a deficient number, since it is larger than the sum of its proper divisors (102025970195247).

120654006305553 is a wasteful number, since it uses less digits than its factorization.

120654006305553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626068371 (or 626068361 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 120654006305553 in words is "one hundred twenty trillion, six hundred fifty-four billion, six million, three hundred five thousand, five hundred fifty-three".