2889778730111 has 16 divisors (see below), whose sum is σ = 3557116584000. Its totient is φ = 2286118867968.

The previous prime is 2889778730107. The next prime is 2889778730123. The reversal of 2889778730111 is 1110378779882.

It is not a de Polignac number, because 2889778730111 - 2² = 2889778730107 is a prime.

It is a super-2 number, since 2×2889778730111² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2889778730101) 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, 1379756 + ... + 2771873.

It is an arithmetic number, because the mean of its divisors is an integer number (222319786500).

Almost surely, 2^{2889778730111} is an apocalyptic number.

2889778730111 is a deficient number, since it is larger than the sum of its proper divisors (667337853889).

2889778730111 is a wasteful number, since it uses less digits than its factorization.

2889778730111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4159298.

The product of its (nonzero) digits is 9483264, while the sum is 62.

The spelling of 2889778730111 in words is "two trillion, eight hundred eighty-nine billion, seven hundred seventy-eight million, seven hundred thirty thousand, one hundred eleven".