2051610655011 has 8 divisors (see below), whose sum is σ = 2736003830784. Its totient is φ = 1367478957960.

The previous prime is 2051610655007. The next prime is 2051610655069. The reversal of 2051610655011 is 1105560161502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2051610655011 - 2² = 2051610655007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2051610655411) 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, 65351371 + ... + 65382756.

It is an arithmetic number, because the mean of its divisors is an integer number (342000478848).

Almost surely, 2^{2051610655011} is an apocalyptic number.

2051610655011 is a deficient number, since it is larger than the sum of its proper divisors (684393175773).

2051610655011 is a wasteful number, since it uses less digits than its factorization.

2051610655011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130739361.

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 2051610655011 in words is "two trillion, fifty-one billion, six hundred ten million, six hundred fifty-five thousand, eleven".