103785357156 has 96 divisors (see below), whose sum is σ = 261889555200. Its totient is φ = 31800107520.

The previous prime is 103785357139. The next prime is 103785357167. The reversal of 103785357156 is 651753587301.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 103785357099 and 103785357108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55767666 + ... + 55769526.

It is an arithmetic number, because the mean of its divisors is an integer number (2728016200).

Almost surely, 2^103785357156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103785357156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130944777600).

103785357156 is an abundant number, since it is smaller than the sum of its proper divisors (158104198044).

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

103785357156 is a wasteful number, since it uses less digits than its factorization.

103785357156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189 (or 3187 counting only the distinct ones).

The product of its (nonzero) digits is 2646000, while the sum is 51.

The spelling of 103785357156 in words is "one hundred three billion, seven hundred eighty-five million, three hundred fifty-seven thousand, one hundred fifty-six".