2345444522011 has 4 divisors (see below), whose sum is σ = 2345489071024. Its totient is φ = 2345399973000.

The previous prime is 2345444521993. The next prime is 2345444522053. The reversal of 2345444522011 is 1102254445432.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345444522011 is a prime.

It is a super-2 number, since 2×2345444522011² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2345444522411) 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, 22195440 + ... + 22300861.

It is an arithmetic number, because the mean of its divisors is an integer number (586372267756).

Almost surely, 2^{2345444522011} is an apocalyptic number.

2345444522011 is a deficient number, since it is larger than the sum of its proper divisors (44549013).

2345444522011 is an equidigital number, since it uses as much as digits as its factorization.

2345444522011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44549012.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 2345444522011 its reverse (1102254445432), we get a palindrome (3447698967443).

The spelling of 2345444522011 in words is "two trillion, three hundred forty-five billion, four hundred forty-four million, five hundred twenty-two thousand, eleven".