1011332540406 has 16 divisors (see below), whose sum is σ = 2022674954544. Its totient is φ = 337109201184.

The previous prime is 1011332540401. The next prime is 1011332540467. The reversal of 1011332540406 is 6040452331101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011332540401) 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, 2090920 + ... + 2528756.

It is an arithmetic number, because the mean of its divisors is an integer number (126417184659).

Almost surely, 2^{1011332540406} is an apocalyptic number.

1011332540406 is an abundant number, since it is smaller than the sum of its proper divisors (1011342414138).

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

1011332540406 is a wasteful number, since it uses less digits than its factorization.

1011332540406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822815.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 1011332540406 its reverse (6040452331101), we get a palindrome (7051784871507).

The spelling of 1011332540406 in words is "one trillion, eleven billion, three hundred thirty-two million, five hundred forty thousand, four hundred six".