2666113025 has 6 divisors (see below), whose sum is σ = 3305980182. Its totient is φ = 2132890400.

The previous prime is 2666113019. The next prime is 2666113049. The reversal of 2666113025 is 5203116662.

It can be written as a sum of positive squares in 3 ways, for example, as 379743169 + 2286369856 = 19487^2 + 47816^2 .

It is not a de Polignac number, because 2666113025 - 2¹⁸ = 2665850881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2666112982 and 2666113000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53322236 + ... + 53322285.

It is an arithmetic number, because the mean of its divisors is an integer number (550996697).

Almost surely, 2^2666113025 is an apocalyptic number.

2666113025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2666113025 is a deficient number, since it is larger than the sum of its proper divisors (639867157).

2666113025 is a wasteful number, since it uses less digits than its factorization.

2666113025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106644531 (or 106644526 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 2666113025 is about 51634.4170587797. The cubic root of 2666113025 is about 1386.6265736361.

Adding to 2666113025 its reverse (5203116662), we get a palindrome (7869229687).

The spelling of 2666113025 in words is "two billion, six hundred sixty-six million, one hundred thirteen thousand, twenty-five".