2011051065670 has 32 divisors (see below), whose sum is σ = 4034554466400. Its totient is φ = 717254125056.

The previous prime is 2011051065629. The next prime is 2011051065679. The reversal of 2011051065670 is 765601501102.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011051065679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311304985 + ... + 311311444.

It is an arithmetic number, because the mean of its divisors is an integer number (126079827075).

Almost surely, 2^{2011051065670} is an apocalyptic number.

2011051065670 is an abundant number, since it is smaller than the sum of its proper divisors (2023503400730).

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

2011051065670 is a wasteful number, since it uses less digits than its factorization.

2011051065670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622616472.

The product of its (nonzero) digits is 12600, while the sum is 34.

Adding to 2011051065670 its reverse (765601501102), we get a palindrome (2776652566772).

The spelling of 2011051065670 in words is "two trillion, eleven billion, fifty-one million, sixty-five thousand, six hundred seventy".