120617317725355 has 32 divisors (see below), whose sum is σ = 160122154682880. Its totient is φ = 86487521345280.

The previous prime is 120617317725347. The next prime is 120617317725383. The reversal of 120617317725355 is 553527713716021.

It is not a de Polignac number, because 120617317725355 - 2³ = 120617317725347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 120617317725296 and 120617317725305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5051376 + ... + 16332514.

It is an arithmetic number, because the mean of its divisors is an integer number (5003817333840).

Almost surely, 2^{120617317725355} is an apocalyptic number.

120617317725355 is a deficient number, since it is larger than the sum of its proper divisors (39504836957525).

120617317725355 is a wasteful number, since it uses less digits than its factorization.

120617317725355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11283891.

The product of its (nonzero) digits is 9261000, while the sum is 55.

The spelling of 120617317725355 in words is "one hundred twenty trillion, six hundred seventeen billion, three hundred seventeen million, seven hundred twenty-five thousand, three hundred fifty-five".