4111845450591 has 4 divisors (see below), whose sum is σ = 5482460600792. Its totient is φ = 2741230300392.

The previous prime is 4111845450577. The next prime is 4111845450593. The reversal of 4111845450591 is 1950545481114.

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

It is not a de Polignac number, because 4111845450591 - 2¹⁸ = 4111845188447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4111845450591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4111845450593) 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, 685307575096 + ... + 685307575101.

It is an arithmetic number, because the mean of its divisors is an integer number (1370615150198).

Almost surely, 2^{4111845450591} is an apocalyptic number.

4111845450591 is a deficient number, since it is larger than the sum of its proper divisors (1370615150201).

4111845450591 is a wasteful number, since it uses less digits than its factorization.

4111845450591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370615150200.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 4111845450591 in words is "four trillion, one hundred eleven billion, eight hundred forty-five million, four hundred fifty thousand, five hundred ninety-one".