11057642015 has 16 divisors (see below), whose sum is σ = 15450896448. Its totient is φ = 7439318016.

The previous prime is 11057641979. The next prime is 11057642017. The reversal of 11057642015 is 51024675011.

11057642015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11057642015 - 2⁶ = 11057641951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057642017) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2978642 + ... + 2982351.

It is an arithmetic number, because the mean of its divisors is an integer number (965681028).

Almost surely, 2^11057642015 is an apocalyptic number.

11057642015 is a deficient number, since it is larger than the sum of its proper divisors (4393254433).

11057642015 is an equidigital number, since it uses as much as digits as its factorization.

11057642015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5961058.

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 11057642015 in words is "eleven billion, fifty-seven million, six hundred forty-two thousand, fifteen".