2010011557 has 4 divisors (see below), whose sum is σ = 2028452140. Its totient is φ = 1991570976.

The previous prime is 2010011551. The next prime is 2010011567. The reversal of 2010011557 is 7551100102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 540516001 + 1469495556 = 23249^2 + 38334^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010011557 - 2¹⁹ = 2009487269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010011551) 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, 9220128 + ... + 9220345.

It is an arithmetic number, because the mean of its divisors is an integer number (507113035).

Almost surely, 2^2010011557 is an apocalyptic number.

It is an amenable number.

2010011557 is a deficient number, since it is larger than the sum of its proper divisors (18440583).

2010011557 is a wasteful number, since it uses less digits than its factorization.

2010011557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18440582.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 2010011557 is about 44833.1524321010. The cubic root of 2010011557 is about 1262.0198469775.

Adding to 2010011557 its reverse (7551100102), we get a palindrome (9561111659).

The spelling of 2010011557 in words is "two billion, ten million, eleven thousand, five hundred fifty-seven".