11551451240330 has 64 divisors (see below), whose sum is σ = 21143216160000. Its totient is φ = 4543270921728.

The previous prime is 11551451240269. The next prime is 11551451240401. The reversal of 11551451240330 is 3304215415511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 350484212 + ... + 350517168.

It is an arithmetic number, because the mean of its divisors is an integer number (330362752500).

Almost surely, 2^{11551451240330} is an apocalyptic number.

11551451240330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11551451240330 is a deficient number, since it is larger than the sum of its proper divisors (9591764919670).

11551451240330 is a wasteful number, since it uses less digits than its factorization.

11551451240330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35231.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 11551451240330 its reverse (3304215415511), we get a palindrome (14855666655841).

The spelling of 11551451240330 in words is "eleven trillion, five hundred fifty-one billion, four hundred fifty-one million, two hundred forty thousand, three hundred thirty".