2105103544000 has 56 divisors (see below), whose sum is σ = 5213288946528. Its totient is φ = 842041414400.

The previous prime is 2105103543997. The next prime is 2105103544003. The reversal of 2105103544000 is 4453015012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2105103543997) and next prime (2105103544003).

It is a super-2 number, since 2×2105103544000² (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 not an unprimeable number, because it can be changed into a prime (2105103544003) 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, 131560972 + ... + 131576971.

Almost surely, 2^{2105103544000} is an apocalyptic number.

2105103544000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2105103544000 is an abundant number, since it is smaller than the sum of its proper divisors (3108185402528).

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

2105103544000 is an equidigital number, since it uses as much as digits as its factorization.

2105103544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263137970 (or 263137950 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 2105103544000 its reverse (4453015012), we get a palindrome (2109556559012).

The spelling of 2105103544000 in words is "two trillion, one hundred five billion, one hundred three million, five hundred forty-four thousand".