2011004125240 has 32 divisors (see below), whose sum is σ = 4936101035760. Its totient is φ = 731274227200.

The previous prime is 2011004125199. The next prime is 2011004125243. The reversal of 2011004125240 is 425214001102.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011004125243) 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 7 ways as a sum of consecutive naturals, for example, 2285231521 + ... + 2285232400.

Almost surely, 2^{2011004125240} is an apocalyptic number.

2011004125240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011004125240 is an abundant number, since it is smaller than the sum of its proper divisors (2925096910520).

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

2011004125240 is a wasteful number, since it uses less digits than its factorization.

2011004125240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4570463943 (or 4570463939 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 2011004125240 its reverse (425214001102), we get a palindrome (2436218126342).

The spelling of 2011004125240 in words is "two trillion, eleven billion, four million, one hundred twenty-five thousand, two hundred forty".