11854866425 has 24 divisors (see below), whose sum is σ = 15628624704. Its totient is φ = 8900365760.

The previous prime is 11854866329. The next prime is 11854866433. The reversal of 11854866425 is 52466845811.

It is not a de Polignac number, because 11854866425 - 2¹² = 11854862329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164027 + ... + 224976.

It is an arithmetic number, because the mean of its divisors is an integer number (651192696).

Almost surely, 2^11854866425 is an apocalyptic number.

It is an amenable number.

11854866425 is a deficient number, since it is larger than the sum of its proper divisors (3773758279).

11854866425 is a wasteful number, since it uses less digits than its factorization.

11854866425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389089 (or 389084 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 50.

It can be divided in two parts, 1185486 and 6425, that added together give a palindrome (1191911).

The spelling of 11854866425 in words is "eleven billion, eight hundred fifty-four million, eight hundred sixty-six thousand, four hundred twenty-five".