11207321530 has 32 divisors (see below), whose sum is σ = 20270850048. Its totient is φ = 4461264000.

The previous prime is 11207321483. The next prime is 11207321533. The reversal of 11207321530 is 3512370211.

It is a happy number.

11207321530 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11207321495 and 11207321504.

It is not an unprimeable number, because it can be changed into a prime (11207321533) 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, 3117414 + ... + 3121006.

It is an arithmetic number, because the mean of its divisors is an integer number (633464064).

Almost surely, 2^11207321530 is an apocalyptic number.

11207321530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11207321530 is a deficient number, since it is larger than the sum of its proper divisors (9063528518).

11207321530 is a wasteful number, since it uses less digits than its factorization.

11207321530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5022.

The product of its (nonzero) digits is 1260, while the sum is 25.

Adding to 11207321530 its reverse (3512370211), we get a palindrome (14719691741).

The spelling of 11207321530 in words is "eleven billion, two hundred seven million, three hundred twenty-one thousand, five hundred thirty".