11534866425 has 48 divisors (see below), whose sum is σ = 21210239680. Its totient is φ = 6146046720.

The previous prime is 11534866403. The next prime is 11534866451. The reversal of 11534866425 is 52466843511.

11534866425 is a `hidden beast` number, since 11 + 534 + 8 + 66 + 42 + 5 = 666.

It is not a de Polignac number, because 11534866425 - 2¹² = 11534862329 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 750417 + ... + 765633.

Almost surely, 2^11534866425 is an apocalyptic number.

11534866425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11534866425 is a deficient number, since it is larger than the sum of its proper divisors (9675373255).

11534866425 is a wasteful number, since it uses less digits than its factorization.

11534866425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16359 (or 16348 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The spelling of 11534866425 in words is "eleven billion, five hundred thirty-four million, eight hundred sixty-six thousand, four hundred twenty-five".