2320545111001 has 16 divisors (see below), whose sum is σ = 2513391117328. Its totient is φ = 2129753088000.

The previous prime is 2320545110981. The next prime is 2320545111037. The reversal of 2320545111001 is 1001115450232.

It can be written as a sum of positive squares in 8 ways, for example, as 210428625625 + 2110116485376 = 458725^2 + 1452624^2 .

It is a cyclic number.

It is not a de Polignac number, because 2320545111001 - 2¹¹ = 2320545108953 is a prime.

It is a super-2 number, since 2×2320545111001² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2320545111041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11194045 + ... + 11399461.

It is an arithmetic number, because the mean of its divisors is an integer number (157086944833).

Almost surely, 2^{2320545111001} is an apocalyptic number.

It is an amenable number.

2320545111001 is a deficient number, since it is larger than the sum of its proper divisors (192846006327).

2320545111001 is a wasteful number, since it uses less digits than its factorization.

2320545111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210412.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 2320545111001 in words is "two trillion, three hundred twenty billion, five hundred forty-five million, one hundred eleven thousand, one".