2661110431 has 8 divisors (see below), whose sum is σ = 3059481600. Its totient is φ = 2267292408.

The previous prime is 2661110423. The next prime is 2661110447. The reversal of 2661110431 is 1340111662.

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 2661110431 - 2³ = 2661110423 is a prime.

It is a super-2 number, since 2×2661110431² = 14163017451954011522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2661110396 and 2661110405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2661110461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137031 + ... + 1139368.

It is an arithmetic number, because the mean of its divisors is an integer number (382435200).

Almost surely, 2^2661110431 is an apocalyptic number.

2661110431 is a deficient number, since it is larger than the sum of its proper divisors (398371169).

2661110431 is a wasteful number, since it uses less digits than its factorization.

2661110431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2276573.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2661110431 is about 51585.9518764557. The cubic root of 2661110431 is about 1385.7587593503.

The spelling of 2661110431 in words is "two billion, six hundred sixty-one million, one hundred ten thousand, four hundred thirty-one".