2145002011 has 4 divisors (see below), whose sum is σ = 2238262992. Its totient is φ = 2051741032.

The previous prime is 2145001949. The next prime is 2145002021. The reversal of 2145002011 is 1102005412.

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 2145002011 - 2¹¹ = 2144999963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145002021) 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, 46630456 + ... + 46630501.

It is an arithmetic number, because the mean of its divisors is an integer number (559565748).

Almost surely, 2^2145002011 is an apocalyptic number.

2145002011 is a deficient number, since it is larger than the sum of its proper divisors (93260981).

2145002011 is an equidigital number, since it uses as much as digits as its factorization.

2145002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93260980.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2145002011 is about 46314.1664180626. The cubic root of 2145002011 is about 1289.6619932489.

Adding to 2145002011 its reverse (1102005412), we get a palindrome (3247007423).

The spelling of 2145002011 in words is "two billion, one hundred forty-five million, two thousand, eleven".