840157011 has 6 divisors (see below), whose sum is σ = 1213560140. Its totient is φ = 560104668.

The previous prime is 840156997. The next prime is 840157013. The reversal of 840157011 is 110751048.

840157011 is a `hidden beast` number, since 84 + 0 + 1 + 570 + 11 = 666.

840157011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 840157011 - 2⁵ = 840156979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (840157013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46675381 + ... + 46675398.

Almost surely, 2^840157011 is an apocalyptic number.

840157011 is a deficient number, since it is larger than the sum of its proper divisors (373403129).

840157011 is a wasteful number, since it uses less digits than its factorization.

840157011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93350785 (or 93350782 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 840157011 is about 28985.4620629032. The cubic root of 840157011 is about 943.5975804841.

The spelling of 840157011 in words is "eight hundred forty million, one hundred fifty-seven thousand, eleven".