1131510430050 has 384 divisors, whose sum is σ = 3771838586880. Its totient is φ = 216794188800.

The previous prime is 1131510430031. The next prime is 1131510430081. The reversal of 1131510430050 is 500340151311.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131510430050.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 156002224 + ... + 156009476.

It is an arithmetic number, because the mean of its divisors is an integer number (9822496320).

Almost surely, 2^{1131510430050} is an apocalyptic number.

1131510430050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131510430050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1885919293440).

1131510430050 is an abundant number, since it is smaller than the sum of its proper divisors (2640328156830).

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

1131510430050 is a wasteful number, since it uses less digits than its factorization.

1131510430050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338 (or 8333 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 1131510430050 its reverse (500340151311), we get a palindrome (1631850581361).

The spelling of 1131510430050 in words is "one trillion, one hundred thirty-one billion, five hundred ten million, four hundred thirty thousand, fifty".