1131012520000 has 280 divisors, whose sum is σ = 3075114398400. Its totient is φ = 409178880000.

The previous prime is 1131012519953. The next prime is 1131012520051. The reversal of 1131012520000 is 252101311.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87553542 + ... + 87566458.

Almost surely, 2^{1131012520000} is an apocalyptic number.

1131012520000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131012520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1537557199200).

1131012520000 is an abundant number, since it is smaller than the sum of its proper divisors (1944101878400).

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

1131012520000 is a wasteful number, since it uses less digits than its factorization.

1131012520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13159 (or 13134 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 1131012520000 its reverse (252101311), we get a palindrome (1131264621311).

The spelling of 1131012520000 in words is "one trillion, one hundred thirty-one billion, twelve million, five hundred twenty thousand".