11238275709 has 12 divisors (see below), whose sum is σ = 16938850656. Its totient is φ = 7166436552.

The previous prime is 11238275693. The next prime is 11238275747. The reversal of 11238275709 is 90757283211.

It is not a de Polignac number, because 11238275709 - 2⁴ = 11238275693 is a prime.

It is a super-2 number, since 2×11238275709² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11238275749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27145387 + ... + 27145800.

It is an arithmetic number, because the mean of its divisors is an integer number (1411570888).

Almost surely, 2^11238275709 is an apocalyptic number.

It is an amenable number.

11238275709 is a deficient number, since it is larger than the sum of its proper divisors (5700574947).

11238275709 is a wasteful number, since it uses less digits than its factorization.

11238275709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54291216 (or 54291213 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 11238275709 in words is "eleven billion, two hundred thirty-eight million, two hundred seventy-five thousand, seven hundred nine".