10045505591 has 4 divisors (see below), whose sum is σ = 10958733384. Its totient is φ = 9132277800.

The previous prime is 10045505579. The next prime is 10045505593. The reversal of 10045505591 is 19550554001.

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-10045505591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10045505593) 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, 456613880 + ... + 456613901.

It is an arithmetic number, because the mean of its divisors is an integer number (2739683346).

Almost surely, 2^10045505591 is an apocalyptic number.

10045505591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10045505591 is a deficient number, since it is larger than the sum of its proper divisors (913227793).

10045505591 is an equidigital number, since it uses as much as digits as its factorization.

10045505591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913227792.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 10045505591 in words is "ten billion, forty-five million, five hundred five thousand, five hundred ninety-one".