11425500405 has 24 divisors (see below), whose sum is σ = 21604583520. Its totient is φ = 5539636320.

The previous prime is 11425500389. The next prime is 11425500409. The reversal of 11425500405 is 50400552411.

11425500405 is a `hidden beast` number, since 1 + 1 + 4 + 255 + 0 + 0 + 405 = 666.

It is not a de Polignac number, because 11425500405 - 2⁴ = 11425500389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11425500409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11540415 + ... + 11541404.

It is an arithmetic number, because the mean of its divisors is an integer number (900190980).

Almost surely, 2^11425500405 is an apocalyptic number.

11425500405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11425500405 is a deficient number, since it is larger than the sum of its proper divisors (10179083115).

11425500405 is a wasteful number, since it uses less digits than its factorization.

11425500405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23081841 (or 23081838 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 11425500405 in words is "eleven billion, four hundred twenty-five million, five hundred thousand, four hundred five".