2802110117780 has 48 divisors (see below), whose sum is σ = 6102523581840. Its totient is φ = 1079495424000.

The previous prime is 2802110117761. The next prime is 2802110117783. The reversal of 2802110117780 is 877110112082.

2802110117780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1090942648324 + 1711167469456 = 1044482^2 + 1308116^2 .

It is a super-2 number, since 2×2802110117780² (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 (2802110117783) 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, 5791391 + ... + 6256550.

It is an arithmetic number, because the mean of its divisors is an integer number (127135907955).

Almost surely, 2^{2802110117780} is an apocalyptic number.

2802110117780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2802110117780 is an abundant number, since it is smaller than the sum of its proper divisors (3300413464060).

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

2802110117780 is a wasteful number, since it uses less digits than its factorization.

2802110117780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12048380 (or 12048378 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 38.

The spelling of 2802110117780 in words is "two trillion, eight hundred two billion, one hundred ten million, one hundred seventeen thousand, seven hundred eighty".