2011011002040 has 32 divisors (see below), whose sum is σ = 6033033006480. Its totient is φ = 536269600512.

The previous prime is 2011011002009. The next prime is 2011011002041. The reversal of 2011011002040 is 402001101102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011011002041) 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, 8379212389 + ... + 8379212628.

Almost surely, 2^{2011011002040} is an apocalyptic number.

2011011002040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011011002040 is an abundant number, since it is smaller than the sum of its proper divisors (4022022004440).

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

2011011002040 is a wasteful number, since it uses less digits than its factorization.

2011011002040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16758425031 (or 16758425027 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2011011002040 its reverse (402001101102), we get a palindrome (2413012103142).

The spelling of 2011011002040 in words is "two trillion, eleven billion, eleven million, two thousand, forty".