1133405431000 has 128 divisors (see below), whose sum is σ = 2781830563200. Its totient is φ = 431402188800.

The previous prime is 1133405430953. The next prime is 1133405431001. The reversal of 1133405431000 is 1345043311.

It is a super-2 number, since 2×1133405431000² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133405431001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4311336 + ... + 4566664.

It is an arithmetic number, because the mean of its divisors is an integer number (21733051275).

Almost surely, 2^{1133405431000} is an apocalyptic number.

1133405431000 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 1133405431000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390915281600).

1133405431000 is an abundant number, since it is smaller than the sum of its proper divisors (1648425132200).

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

1133405431000 is a wasteful number, since it uses less digits than its factorization.

1133405431000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255566 (or 255552 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 1133405431000 in words is "one trillion, one hundred thirty-three billion, four hundred five million, four hundred thirty-one thousand".