2011354345125 has 48 divisors (see below), whose sum is σ = 3760090431552. Its totient is φ = 1072722301200.

The previous prime is 2011354345103. The next prime is 2011354345141. The reversal of 2011354345125 is 5215434531102.

2011354345125 is a `hidden beast` number, since 2 + 0 + 1 + 135 + 4 + 3 + 4 + 512 + 5 = 666.

It is not a de Polignac number, because 2011354345125 - 2⁹ = 2011354344613 is a prime.

It is a super-2 number, since 2×2011354345125² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2011354345125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33078339 + ... + 33139088.

It is an arithmetic number, because the mean of its divisors is an integer number (78335217324).

Almost surely, 2^{2011354345125} is an apocalyptic number.

2011354345125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2011354345125 is a deficient number, since it is larger than the sum of its proper divisors (1748736086427).

2011354345125 is an frugal number, since it uses more digits than its factorization.

2011354345125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66217457 (or 66217435 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 2011354345125 its reverse (5215434531102), we get a palindrome (7226788876227).

The spelling of 2011354345125 in words is "two trillion, eleven billion, three hundred fifty-four million, three hundred forty-five thousand, one hundred twenty-five".