11430550120 has 64 divisors (see below), whose sum is σ = 29276691840. Its totient is φ = 3975840000.

The previous prime is 11430550111. The next prime is 11430550123. The reversal of 11430550120 is 2105503411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 11430550091 and 11430550100.

It is not an unprimeable number, because it can be changed into a prime (11430550123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554631 + ... + 574870.

It is an arithmetic number, because the mean of its divisors is an integer number (457448310).

Almost surely, 2^11430550120 is an apocalyptic number.

11430550120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11430550120 is an abundant number, since it is smaller than the sum of its proper divisors (17846141720).

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

11430550120 is a wasteful number, since it uses less digits than its factorization.

11430550120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129546 (or 1129542 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The spelling of 11430550120 in words is "eleven billion, four hundred thirty million, five hundred fifty thousand, one hundred twenty".