2120152559617 has 4 divisors (see below), whose sum is σ = 2120228072896. Its totient is φ = 2120077046340.

The previous prime is 2120152559543. The next prime is 2120152559627. The reversal of 2120152559617 is 7169552510212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2120152559617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120152559627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37714509 + ... + 37770682.

It is an arithmetic number, because the mean of its divisors is an integer number (530057018224).

Almost surely, 2^{2120152559617} is an apocalyptic number.

It is an amenable number.

2120152559617 is a deficient number, since it is larger than the sum of its proper divisors (75513279).

2120152559617 is an equidigital number, since it uses as much as digits as its factorization.

2120152559617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75513278.

The product of its (nonzero) digits is 378000, while the sum is 46.

It can be divided in two parts, 2120152 and 559617, that added together give a square (2679769 = 1637²).

The spelling of 2120152559617 in words is "two trillion, one hundred twenty billion, one hundred fifty-two million, five hundred fifty-nine thousand, six hundred seventeen".