2011051858 has 8 divisors (see below), whose sum is σ = 3040330752. Its totient is φ = 997608276.

The previous prime is 2011051817. The next prime is 2011051859. The reversal of 2011051858 is 8581501102.

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

It is not an unprimeable number, because it can be changed into a prime (2011051859) 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, 3958510 + ... + 3959017.

It is an arithmetic number, because the mean of its divisors is an integer number (380041344).

Almost surely, 2^2011051858 is an apocalyptic number.

2011051858 is a deficient number, since it is larger than the sum of its proper divisors (1029278894).

2011051858 is a wasteful number, since it uses less digits than its factorization.

2011051858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917656.

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 2011051858 is about 44844.7528480200. The cubic root of 2011051858 is about 1262.2375329689.

The spelling of 2011051858 in words is "two billion, eleven million, fifty-one thousand, eight hundred fifty-eight".