100120560715265 has 4 divisors (see below), whose sum is σ = 120144672858324. Its totient is φ = 80096448572208.

The previous prime is 100120560715237. The next prime is 100120560715309. The reversal of 100120560715265 is 562517065021001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 72256647152881 + 27863913562384 = 8500391^2 + 5278628^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120560715265 - 2¹² = 100120560711169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10012056071522 + ... + 10012056071531.

It is an arithmetic number, because the mean of its divisors is an integer number (30036168214581).

Almost surely, 2^{100120560715265} is an apocalyptic number.

It is an amenable number.

100120560715265 is a deficient number, since it is larger than the sum of its proper divisors (20024112143059).

100120560715265 is an equidigital number, since it uses as much as digits as its factorization.

100120560715265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20024112143058.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 100120560715265 in words is "one hundred trillion, one hundred twenty billion, five hundred sixty million, seven hundred fifteen thousand, two hundred sixty-five".