11425305555 has 80 divisors (see below), whose sum is σ = 20836316160. Its totient is φ = 5988390912.

The previous prime is 11425305539. The next prime is 11425305569. The reversal of 11425305555 is 55550352411.

11425305555 is a `hidden beast` number, since 11 + 42 + 53 + 0 + 5 + 555 = 666.

It is not a de Polignac number, because 11425305555 - 2⁴ = 11425305539 is a prime.

It is a super-2 number, since 2×11425305555² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11322891 + ... + 11323899.

It is an arithmetic number, because the mean of its divisors is an integer number (260453952).

Almost surely, 2^11425305555 is an apocalyptic number.

11425305555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11425305555 is a deficient number, since it is larger than the sum of its proper divisors (9411010605).

11425305555 is a wasteful number, since it uses less digits than its factorization.

11425305555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

Adding to 11425305555 its reverse (55550352411), we get a palindrome (66975657966).

The spelling of 11425305555 in words is "eleven billion, four hundred twenty-five million, three hundred five thousand, five hundred fifty-five".