2103550787256 has 64 divisors (see below), whose sum is σ = 5319950400000. Its totient is φ = 693046354176.

The previous prime is 2103550787249. The next prime is 2103550787329. The reversal of 2103550787256 is 6527870553012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2103550787199 and 2103550787208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5582625 + ... + 5947503.

It is an arithmetic number, because the mean of its divisors is an integer number (83124225000).

Almost surely, 2^{2103550787256} is an apocalyptic number.

It is an amenable number.

2103550787256 is an abundant number, since it is smaller than the sum of its proper divisors (3216399612744).

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

2103550787256 is a wasteful number, since it uses less digits than its factorization.

2103550787256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367676 (or 367672 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 2103550787256 in words is "two trillion, one hundred three billion, five hundred fifty million, seven hundred eighty-seven thousand, two hundred fifty-six".