120660103040561 has 8 divisors (see below), whose sum is σ = 146008864183680. Its totient is φ = 97339242788928.

The previous prime is 120660103040551. The next prime is 120660103040647. The reversal of 120660103040561 is 165040301066021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-120660103040561 is a prime.

It is a super-2 number, since 2×120660103040561² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120660103040501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506975222741 + ... + 506975222978.

It is an arithmetic number, because the mean of its divisors is an integer number (18251108022960).

Almost surely, 2^{120660103040561} is an apocalyptic number.

It is an amenable number.

120660103040561 is a deficient number, since it is larger than the sum of its proper divisors (25348761143119).

120660103040561 is a wasteful number, since it uses less digits than its factorization.

120660103040561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013950445743.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 120660103040561 in words is "one hundred twenty trillion, six hundred sixty billion, one hundred three million, forty thousand, five hundred sixty-one".