11055521430 has 48 divisors (see below), whose sum is σ = 30435204384. Its totient is φ = 2774718720.

The previous prime is 11055521429. The next prime is 11055521437. The reversal of 11055521430 is 3412555011.

11055521430 is a `hidden beast` number, since 1 + 105 + 5 + 521 + 4 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11055521394 and 11055521403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055521437) 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, 3611386 + ... + 3614445.

It is an arithmetic number, because the mean of its divisors is an integer number (634066758).

Almost surely, 2^11055521430 is an apocalyptic number.

11055521430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11055521430 is an abundant number, since it is smaller than the sum of its proper divisors (19379682954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11055521430 is a wasteful number, since it uses less digits than its factorization.

11055521430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7225861 (or 7225858 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 11055521430 in words is "eleven billion, fifty-five million, five hundred twenty-one thousand, four hundred thirty".