2051128776 has 32 divisors (see below), whose sum is σ = 5350772160. Its totient is φ = 653982912.

The previous prime is 2051128763. The next prime is 2051128777. The reversal of 2051128776 is 6778211502.

2051128776 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2051128777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1857355 + ... + 1858458.

It is an arithmetic number, because the mean of its divisors is an integer number (167211630).

Almost surely, 2^2051128776 is an apocalyptic number.

It is an amenable number.

2051128776 is an abundant number, since it is smaller than the sum of its proper divisors (3299643384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051128776 is a wasteful number, since it uses less digits than its factorization.

2051128776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715845 (or 3715841 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 2051128776 is about 45289.3892208760. The cubic root of 2051128776 is about 1270.5672081437.

The spelling of 2051128776 in words is "two billion, fifty-one million, one hundred twenty-eight thousand, seven hundred seventy-six".