2291116027138 has 8 divisors (see below), whose sum is σ = 3436752227580. Its totient is φ = 1145531951280.

The previous prime is 2291116027117. The next prime is 2291116027163. The reversal of 2291116027138 is 8317206111922.

It can be written as a sum of positive squares in 2 ways, for example, as 1671081046209 + 620034980929 = 1292703^2 + 787423^2 .

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

It is a super-2 number, since 2×2291116027138² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2291116027094 and 2291116027103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12921073 + ... + 13097188.

Almost surely, 2^{2291116027138} is an apocalyptic number.

2291116027138 is a deficient number, since it is larger than the sum of its proper divisors (1145636200442).

2291116027138 is a wasteful number, since it uses less digits than its factorization.

2291116027138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26062292.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 2291116027138 in words is "two trillion, two hundred ninety-one billion, one hundred sixteen million, twenty-seven thousand, one hundred thirty-eight".