11381056915 has 8 divisors (see below), whose sum is σ = 13714413120. Its totient is φ = 9066748992.

The previous prime is 11381056889. The next prime is 11381056927. The reversal of 11381056915 is 51965018311.

11381056915 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11381056915 - 2¹⁵ = 11381024147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4760754 + ... + 4763143.

It is an arithmetic number, because the mean of its divisors is an integer number (1714301640).

Almost surely, 2^11381056915 is an apocalyptic number.

11381056915 is a deficient number, since it is larger than the sum of its proper divisors (2333356205).

11381056915 is an equidigital number, since it uses as much as digits as its factorization.

11381056915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524141.

The product of its (nonzero) digits is 32400, while the sum is 40.

The spelling of 11381056915 in words is "eleven billion, three hundred eighty-one million, fifty-six thousand, nine hundred fifteen".