2011862403 has 12 divisors (see below), whose sum is σ = 2909726248. Its totient is φ = 1339532640.

The previous prime is 2011862387. The next prime is 2011862429. The reversal of 2011862403 is 3042681102.

2011862403 is a `hidden beast` number, since 20 + 1 + 18 + 624 + 0 + 3 = 666.

It is not a de Polignac number, because 2011862403 - 2⁴ = 2011862387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011862473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134938 + ... + 149103.

Almost surely, 2^2011862403 is an apocalyptic number.

2011862403 is a deficient number, since it is larger than the sum of its proper divisors (897863845).

2011862403 is a wasteful number, since it uses less digits than its factorization.

2011862403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284834 (or 284831 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2011862403 is about 44853.7891710388. The cubic root of 2011862403 is about 1262.4070898264.

The spelling of 2011862403 in words is "two billion, eleven million, eight hundred sixty-two thousand, four hundred three".