1040103965550 has 96 divisors (see below), whose sum is σ = 2783879820288. Its totient is φ = 255472398720.

The previous prime is 1040103965531. The next prime is 1040103965599. The reversal of 1040103965550 is 555693010401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1040103965499 and 1040103965508.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 326839 + ... + 1478861.

It is an arithmetic number, because the mean of its divisors is an integer number (28998748128).

Almost surely, 2^{1040103965550} is an apocalyptic number.

1040103965550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040103965550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391939910144).

1040103965550 is an abundant number, since it is smaller than the sum of its proper divisors (1743775854738).

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

1040103965550 is a wasteful number, since it uses less digits than its factorization.

1040103965550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152514 (or 1152509 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

Adding to 1040103965550 its reverse (555693010401), we get a palindrome (1595796975951).

The spelling of 1040103965550 in words is "one trillion, forty billion, one hundred three million, nine hundred sixty-five thousand, five hundred fifty".