11230405540 has 48 divisors (see below), whose sum is σ = 23688887040. Its totient is φ = 4472202240.

The previous prime is 11230405519. The next prime is 11230405541. The reversal of 11230405540 is 4550403211.

It is a happy number.

It is a super-2 number, since 2×11230405540² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11230405541) 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, 7334575 + ... + 7336105.

It is an arithmetic number, because the mean of its divisors is an integer number (493518480).

Almost surely, 2^11230405540 is an apocalyptic number.

11230405540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11230405540 is an abundant number, since it is smaller than the sum of its proper divisors (12458481500).

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

11230405540 is a wasteful number, since it uses less digits than its factorization.

11230405540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2932 (or 2930 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 11230405540 its reverse (4550403211), we get a palindrome (15780808751).

The spelling of 11230405540 in words is "eleven billion, two hundred thirty million, four hundred five thousand, five hundred forty".