2011616715651 has 32 divisors (see below), whose sum is σ = 2706390855168. Its totient is φ = 1329017690880.

The previous prime is 2011616715643. The next prime is 2011616715673. The reversal of 2011616715651 is 1565176161102.

It is not a de Polignac number, because 2011616715651 - 2³ = 2011616715643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011616716651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215441055 + ... + 215450391.

It is an arithmetic number, because the mean of its divisors is an integer number (84574714224).

Almost surely, 2^{2011616715651} is an apocalyptic number.

2011616715651 is a deficient number, since it is larger than the sum of its proper divisors (694774139517).

2011616715651 is a wasteful number, since it uses less digits than its factorization.

2011616715651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10811.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 2011616715651 in words is "two trillion, eleven billion, six hundred sixteen million, seven hundred fifteen thousand, six hundred fifty-one".