2661041111140 has 48 divisors (see below), whose sum is σ = 5603364361728. Its totient is φ = 1061529323904.

The previous prime is 2661041111119. The next prime is 2661041111177. The reversal of 2661041111140 is 411111401662.

It is a super-2 number, since 2×2661041111140² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2661041111099 and 2661041111108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10770229 + ... + 11014531.

It is an arithmetic number, because the mean of its divisors is an integer number (116736757536).

Almost surely, 2^{2661041111140} is an apocalyptic number.

2661041111140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2661041111140 is an abundant number, since it is smaller than the sum of its proper divisors (2942323250588).

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

2661041111140 is a wasteful number, since it uses less digits than its factorization.

2661041111140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245788 (or 245786 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 2661041111140 in words is "two trillion, six hundred sixty-one billion, forty-one million, one hundred eleven thousand, one hundred forty".