2113005545 has 8 divisors (see below), whose sum is σ = 2897836224. Its totient is φ = 1448918064.

The previous prime is 2113005541. The next prime is 2113005571. The reversal of 2113005545 is 5455003112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2113005545 - 2² = 2113005541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2113005541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30185759 + ... + 30185828.

It is an arithmetic number, because the mean of its divisors is an integer number (362229528).

Almost surely, 2^2113005545 is an apocalyptic number.

It is an amenable number.

2113005545 is a deficient number, since it is larger than the sum of its proper divisors (784830679).

2113005545 is an equidigital number, since it uses as much as digits as its factorization.

2113005545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60371599.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2113005545 is about 45967.4400527156. The cubic root of 2113005545 is about 1283.2173183856.

Adding to 2113005545 its reverse (5455003112), we get a palindrome (7568008657).

The spelling of 2113005545 in words is "two billion, one hundred thirteen million, five thousand, five hundred forty-five".