1115900650 has 12 divisors (see below), whose sum is σ = 2075575302. Its totient is φ = 446360240.

The previous prime is 1115900629. The next prime is 1115900671. The reversal of 1115900650 is 560095111.

It is an interprime number because it is at equal distance from previous prime (1115900629) and next prime (1115900671).

It can be written as a sum of positive squares in 3 ways, for example, as 1043871481 + 72029169 = 32309^2 + 8487^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11158957 + ... + 11159056.

Almost surely, 2^1115900650 is an apocalyptic number.

1115900650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115900650 is a deficient number, since it is larger than the sum of its proper divisors (959674652).

1115900650 is a wasteful number, since it uses less digits than its factorization.

1115900650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22318025 (or 22318020 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 1115900650 is about 33405.0991616549. The cubic root of 1115900650 is about 1037.2302564821.

Adding to 1115900650 its reverse (560095111), we get a palindrome (1675995761).

The spelling of 1115900650 in words is "one billion, one hundred fifteen million, nine hundred thousand, six hundred fifty".