2051868860011 has 8 divisors (see below), whose sum is σ = 2053577142000. Its totient is φ = 2050161208800.

The previous prime is 2051868859973. The next prime is 2051868860017. The reversal of 2051868860011 is 1100688681502.

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

It is a cyclic number.

It is not a de Polignac number, because 2051868860011 - 2¹¹ = 2051868857963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2051868860017) 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, 6466140 + ... + 6776038.

It is an arithmetic number, because the mean of its divisors is an integer number (256697142750).

Almost surely, 2^{2051868860011} is an apocalyptic number.

2051868860011 is a deficient number, since it is larger than the sum of its proper divisors (1708281989).

2051868860011 is a wasteful number, since it uses less digits than its factorization.

2051868860011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315389.

The product of its (nonzero) digits is 184320, while the sum is 46.

The spelling of 2051868860011 in words is "two trillion, fifty-one billion, eight hundred sixty-eight million, eight hundred sixty thousand, eleven".