1131011103040 has 448 divisors, whose sum is σ = 3497991114240. Its totient is φ = 338252267520.

The previous prime is 1131011103029. The next prime is 1131011103073. The reversal of 1131011103040 is 403011101311.

It is a tau number, because it is divible by the number of its divisors (448).

It is a super-2 number, since 2×1131011103040² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 239567880 + ... + 239572600.

It is an arithmetic number, because the mean of its divisors is an integer number (7808015880).

Almost surely, 2^{1131011103040} is an apocalyptic number.

1131011103040 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 1131011103040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1748995557120).

1131011103040 is an abundant number, since it is smaller than the sum of its proper divisors (2366980011200).

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

1131011103040 is a wasteful number, since it uses less digits than its factorization.

1131011103040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210 (or 5200 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1131011103040 its reverse (403011101311), we get a palindrome (1534022204351).

The spelling of 1131011103040 in words is "one trillion, one hundred thirty-one billion, eleven million, one hundred three thousand, forty".