1000103777690 has 8 divisors (see below), whose sum is σ = 1800186799860. Its totient is φ = 400041511072.

The previous prime is 1000103777683. The next prime is 1000103777693. The reversal of 1000103777690 is 967773010001.

It can be written as a sum of positive squares in 2 ways, for example, as 995008245001 + 5095532689 = 997501^2 + 71383^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1000103777690² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000103777693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50005188875 + ... + 50005188894.

Almost surely, 2^{1000103777690} is an apocalyptic number.

1000103777690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000103777690 is a deficient number, since it is larger than the sum of its proper divisors (800083022170).

1000103777690 is a wasteful number, since it uses less digits than its factorization.

1000103777690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100010377776.

The product of its (nonzero) digits is 55566, while the sum is 41.

Adding to 1000103777690 its reverse (967773010001), we get a palindrome (1967876787691).

The spelling of 1000103777690 in words is "one trillion, one hundred three million, seven hundred seventy-seven thousand, six hundred ninety".