11554206430420 has 24 divisors (see below), whose sum is σ = 24263943523848. Its totient is φ = 4621661616000.

The previous prime is 11554206430409. The next prime is 11554206430421. The reversal of 11554206430420 is 2403460245511.

It can be written as a sum of positive squares in 4 ways, for example, as 129725310276 + 11424481120144 = 360174^2 + 3380012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11554206430420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554206430421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3673810 + ... + 6050230.

It is an arithmetic number, because the mean of its divisors is an integer number (1010997646827).

Almost surely, 2^{11554206430420} is an apocalyptic number.

11554206430420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11554206430420 is an abundant number, since it is smaller than the sum of its proper divisors (12709737093428).

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

11554206430420 is a wasteful number, since it uses less digits than its factorization.

11554206430420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619531 (or 2619529 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 11554206430420 its reverse (2403460245511), we get a palindrome (13957666675931).

The spelling of 11554206430420 in words is "eleven trillion, five hundred fifty-four billion, two hundred six million, four hundred thirty thousand, four hundred twenty".