11048547865823 has 16 divisors (see below), whose sum is σ = 12241194362880. Its totient is φ = 9905822263296.

The previous prime is 11048547865711. The next prime is 11048547865853. The reversal of 11048547865823 is 32856874584011.

It is a cyclic number.

It is not a de Polignac number, because 11048547865823 - 2¹² = 11048547861727 is a prime.

It is a super-2 number, since 2×11048547865823² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11048547865853) 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, 19627103 + ... + 20182176.

It is an arithmetic number, because the mean of its divisors is an integer number (765074647680).

Almost surely, 2^{11048547865823} is an apocalyptic number.

11048547865823 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11048547865823 is a deficient number, since it is larger than the sum of its proper divisors (1192646497057).

11048547865823 is a wasteful number, since it uses less digits than its factorization.

11048547865823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39809906.

The product of its (nonzero) digits is 51609600, while the sum is 62.

The spelling of 11048547865823 in words is "eleven trillion, forty-eight billion, five hundred forty-seven million, eight hundred sixty-five thousand, eight hundred twenty-three".