5445205511 has 4 divisors (see below), whose sum is σ = 5445503232. Its totient is φ = 5444907792.

The previous prime is 5445205487. The next prime is 5445205517. The reversal of 5445205511 is 1155025445.

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

It is a cyclic number.

It is not a de Polignac number, because 5445205511 - 2²² = 5441011207 is a prime.

It is a super-2 number, since 2×5445205511² = 59300526114049542242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5445205517) 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, 119495 + ... + 158648.

It is an arithmetic number, because the mean of its divisors is an integer number (1361375808).

Almost surely, 2^5445205511 is an apocalyptic number.

5445205511 is a deficient number, since it is larger than the sum of its proper divisors (297721).

5445205511 is a wasteful number, since it uses less digits than its factorization.

5445205511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297720.

The product of its (nonzero) digits is 20000, while the sum is 32.

The square root of 5445205511 is about 73791.6357794025. The cubic root of 5445205511 is about 1759.2926641748.

The spelling of 5445205511 in words is "five billion, four hundred forty-five million, two hundred five thousand, five hundred eleven".