1081748915 has 16 divisors (see below), whose sum is σ = 1400329056. Its totient is φ = 797472000.

The previous prime is 1081748911. The next prime is 1081748917. The reversal of 1081748915 is 5198471801.

It is a happy number.

It is not a de Polignac number, because 1081748915 - 2² = 1081748911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081748911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25220 + ... + 52910.

It is an arithmetic number, because the mean of its divisors is an integer number (87520566).

Almost surely, 2^1081748915 is an apocalyptic number.

1081748915 is a deficient number, since it is larger than the sum of its proper divisors (318580141).

1081748915 is a wasteful number, since it uses less digits than its factorization.

1081748915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28310.

The product of its (nonzero) digits is 80640, while the sum is 44.

The square root of 1081748915 is about 32889.9515809920. The cubic root of 1081748915 is about 1026.5390846246.

The spelling of 1081748915 in words is "one billion, eighty-one million, seven hundred forty-eight thousand, nine hundred fifteen".